Nature never deceives us; it is we who deceive ourselves.

Those whom the gods love grow young.

Out of timber so crooked as that from which man is made nothing entirely straight can be carved.

When you read, I’m sure you don’t realize that your eyes are going backwards and forwards and to this place and that place. Mine don’t do that.

For centuries, theologians have been explaining the unknowable in terms of the-not-worth-knowing.

Sleep is the interest we have to pay on the capital which is called in at death; and the higher the rate of interest and the more regularly it is paid, the further the date of redemption is postponed.

Mankind is not likely to salvage civilization unless he can evolve a system of good and evil which is independent of heaven and hell.

Nature abhors annihilation.

He who can be, and therefore is, another’s, and he who participates in reason enough to apprehend, but not to have, is a slave by nature.

We’re one of the only animals in the world that don’t really think of ourselves as animals, but we are animals, and we must respect our fellow animals.

In Christianity neither morality nor religion come into contact with reality at any point.

When we talk about mortality, we are talking about our children.

If a man walks in the woods for love of them half of each day, he is in danger of being regarded as a loafer. But if he spends his days as a speculator, shearing off those woods and making the earth bald before her time, he is deemed an industrious and enterprising citizen.

There is no chance and anarchy in the universe. All is system and gradation. Every god is there sitting in his sphere.

I’m fascinated by the fact that we can’t grasp anything about time.

If we do discover a complete theory, it should be in time understandable in broad principle by everyone. Then we shall all, philosophers, scientists, and just ordinary people be able to take part in the discussion of why we and the universe exist.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

Can the mind see the truth of its own incapacity to know the unknown? Surely if I see very clearly that my mind cannot know the unknown, there is absolute quietness.

There is nothing so strong or safe in an emergency of life as the simple truth.

When he to whom one speaks does not understand, and he who speaks himself does not understand, that is metaphysics.

I was seldom able to see an opportunity until it had ceased to be one.

By the sole fact of his entering into ‚Thought,‘ man represents something entirely singular and absolutely unique in the field of our experience. On a single planet, there could not be more than one centre of emergence for reflexion.

Existence precedes and rules essence.

The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.

I have discovered that all human evil comes from this, man’s being unable to sit still in a room.

I do not know how to teach philosophy without becoming a disturber of established religion.

Every mind must make its choice between truth and repose. It cannot have both.

Act that your principle of action might safely be made a law for the whole world.

The end is the beginning of all things, Suppressed and hidden, Awaiting to be released through the rhythm Of pain and pleasure.

You forget that the fruits belong to all and that the land belongs to no one.

The eyes of others our prisons; their thoughts our cages.

I do not concern myself with gods and spirits either good or evil nor do I serve any.

We shall see but a little way if we require to understand what we see.

He who knows nothing is closer to the truth than he whose mind is filled with falsehoods and errors.

Extremes in nature equal ends produce; In man they join to some mysterious use.

The Christian ideal has not been tried and found wanting; it has been found difficult and left untried.

Every particular in nature, a leaf, a drop, a crystal, a moment of time is related to the whole, and partakes of the perfection of the whole.

Man is not born to atheism. He is born to believe.

I do think there must be some kind of interaction between your living life and the life that goes on from here.

The proper study of Man is anything but Man; and the most improper job of any man, even saints (who at any rate were at least unwilling to take it on), is bossing other men. Not one in a million is fit for it, and least of all those who seek the opportunity.

Upon the subjects of which I have treated, I have spoken as I have thought. I may be wrong in regard to any or all of them; but, holding it a sound maxim that it is better only sometimes to be right than at all times to be wrong, so soon as I discover my opinions to be erroneous, I shall be ready to renounce them.

The worst form of inequality is to try to make unequal things equal.

Every man must do two things alone; he must do his own believing and his own dying.

Nature and nature’s laws lay hid in the night. God said, Let Newton be! and all was light!

To believe in God is impossible not to believe in Him is absurd.

Death is a commingling of eternity with time; in the death of a good man, eternity is seen looking through time.

The AIDS is a disease that is hard to talk about.

Science is increasingly answering questions that used to be the province of religion.

Speak the truth, and all things alive or brute are vouchers, and the very roots of the grass underground there, do seem to stir and move to bear you witness.

It is better that some should be unhappy rather than that none should be happy, which would be the case in a general state of equality.

There is a blessed necessity by which the interest of men is always driving them to the right; and, again, making all crime mean and ugly.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Theology is unnecessary.

It is a profound and necessary truth that the deep things in science are not found because they are useful: they are found because it was possible to find them.

Let us beware of saying that death is the opposite of life. The living being is only a species of the dead, and a very rare species.

By stopping flying, you don’t only reduce your own carbon footprint but also that sends a signal to other people around you that the climate crisis is a real thing and that helps push a political movement.

We are tied to the ocean. And when we go back to the sea, whether it is to sail or to watch – we are going back from whence we came.

First and last, what is demanded of genius is love of truth.

Nature knows no pause in progress and development, and attaches her curse on all inaction.

The ‚I think‘ which Kant said must be able to accompany all my objects, is the ‚I breathe‘ which actually does accompany them.

Latinos are Republican. They just don’t know it yet.