It is better, of course, to know useless things than to know nothing.

True virtue is life under the direction of reason.

Faith is a knowledge within the heart, beyond the reach of proof.

When we value correct principles, we have truth – a knowledge of things as they are.

Only by joy and sorrow does a person know anything about themselves and their destiny. They learn what to do and what to avoid.

Despair is the conclusion of fools.

I grow daily to honour facts more and more, and theory less and less. A fact, it seems to me, is a great thing; a sentence printed, if not by God, then at least by the Devil.

The doer alone learneth.

Be careful to leave your sons well instructed rather than rich, for the hopes of the instructed are better than the wealth of the ignorant.

To know the laws is not to memorize their letter but to grasp their full force and meaning.

Genius always gives its best at first; prudence, at last.

The more I see the less I know for sure.

A man who has never gone to school may steal from a freight car; but if he has a university education, he may steal the whole railroad.

I like to listen. I have learned a great deal from listening carefully. Most people never listen.

When you are learning about a martial art, it is about respect.

The time to take counsel of your fears is before you make an important battle decision. That’s the time to listen to every fear you can imagine! When you have collected all the facts and fears and made your decision, turn off all your fears and go ahead!

Beware of the man who does not return your blow: he neither forgives you nor allows you to forgive yourself.

Here’s what I’ve learned about deal-breakers. If you have enough natural chemistry with someone, you overlook every single thing that you said would break the deal.

In the vain laughter of folly wisdom hears half its applause.

His priority did not seem to be to teach them what he knew, but rather to impress upon them that nothing, not even… knowledge, was foolproof.

Great spirits have always encountered violent opposition from mediocre minds.

Music is the voice that tells us that the human race is greater than it knows.

I think we’re doing a dreadful job of educating.

The endeavor to understand is the first and only basis of virtue.

The difficulty is to try and teach the multitude that something can be true and untrue at the same time.

The sum of wisdom is that time is never lost that is devoted to work.

Information is not knowledge.

Beware of the man who works hard to learn something, learns it, and finds himself no wiser than before.

We seem gradually to be groping toward an understanding of the world of subatomic particles, but we really do not know how far we have yet to go in this task.

If we are to go forward, we must go back and rediscover those precious values – that all reality hinges on moral foundations and that all reality has spiritual control.

Jesters do often prove prophets.

We know the truth, not only by the reason, but also by the heart.

Wisdom does not show itself so much in precept as in life – in firmness of mind and a mastery of appetite. It teaches us to do as well as to talk; and to make our words and actions all of a color.

It does not do to leave a live dragon out of your calculations, if you live near him.

Blessed are the people whose leaders can look destiny in the eye without flinching but also without attempting to play God.

Teach us that wealth is not elegance, that profusion is not magnificence, that splendor is not beauty.

Folks don’t like to have somebody around knowing more than they do.

Hegel was right when he said that we learn from history that man can never learn anything from history.

It is paradoxical, yet true, to say, that the more we know, the more ignorant we become in the absolute sense, for it is only through enlightenment that we become conscious of our limitations. Precisely one of the most gratifying results of intellectual evolution is the continuous opening up of new and greater prospects.

I was bold in the pursuit of knowledge, never fearing to follow truth and reason to whatever results they led, and bearding every authority which stood in their way.

The gift of fantasy has meant more to me than my talent for absorbing positive knowledge.

If an elderly but distinguished scientist says that something is possible, he is almost certainly right; but if he says that it is impossible, he is very probably wrong.

For one swallow does not make a summer, nor does one day; and so too one day, or a short time, does not make a man blessed and happy.

Man is the most intelligent of the animals – and the most silly.

Mistakes can be corrected by those who pay attention to facts but dogmatism will not be corrected by those who are wedded to a vision.

Misfortune seldom intrudes upon the wise man; his greatest and highest interests are directed by reason throughout the course of life.

Thanks to my reading, I have never been caught flat-footed by any situation, never at a loss for how any problem has been addressed… It doesn’t give me all the answers, but it lights what is often a dark path ahead.

If you want to gather honey, don’t kick over the beehive.

No man can reveal to you nothing but that which already lies half-asleep in the dawning of your knowledge.

Wisdom is found only in truth.

Anything can make me stop and look and wonder, and sometimes learn.

Education is what remains after one has forgotten what one has learned in school.

The doors of wisdom are never shut.

You will always have partial points of view, and you’ll always have the story behind the story that hasn’t come out yet. And any form of journalism you’re involved with is going to be up against a biased viewpoint and partial knowledge.

A man who suffers before it is necessary, suffers more than is necessary.

The well bred contradict other people. The wise contradict themselves.

We should not teach children the sciences; but give them a taste for them.

The recipe for perpetual ignorance is: Be satisfied with your opinions and content with your knowledge.

The most important part of education is proper training in the nursery.

If you don’t feel safe as a child, you can’t learn.

There is, so I believe, in the essence of everything, something that we cannot call learning. There is, my friend, only a knowledge – that is everywhere.