Wisdom is the right use of knowledge. To know is not to be wise. Many men know a great deal, and are all the greater fools for it. There is no fool so great a fool as a knowing fool. But to know how to use knowledge is to have wisdom.

Falsehood is a perennial spring.

Common sense is genius dressed in its working clothes.

Men who wish to know about the world must learn about it in its particular details.

Old age: the crown of life, our play’s last act.

If you try and take a cat apart to see how it works, the first thing you have on your hands is a nonworking cat.

Who is the most sensible person? The one who finds what is to their own advantage in all that happens to them.

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.

What religion a man holds, to what race he belongs, these things are not important; the really important thing is this knowledge: the knowledge of God’s plan for men. For God has a plan, and that plan is evolution.

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

People gonna be they own individuals and have they own worlds and I can’t knock it.

Let’s just be smart this time. I’m looking for smart.

Getting old is a fascination thing. The older you get, the older you want to get.

He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.

A child miseducated is a child lost.

The degree of one’s emotions varies inversely with one’s knowledge of the facts.

Learning without thought is labor lost; thought without learning is perilous.

I think perhaps the most important problem is that we are trying to understand the fundamental workings of the universe via a language devised for telling one another when the best fruit is.

It is a no-fail, incontrovertible reality: If you get, give. If you learn, teach. You can’t do anything with that except do it.

I learned from my dog long before I went to Gombe that we weren’t the only beings with personalities. What the chimps did was help me to persuade others.

The most pathetic person in the world is someone who has sight, but has no vision.

Mediocre theoretical physicists make no progress. They spend all their time understanding other people’s progress.

There are three classes of people: those who see, those who see when they are shown, those who do not see.

One thing is certain in business. You and everyone around you will make mistakes.

The task of the modern educator is not to cut down jungles, but to irrigate deserts.

Fill your bowl to the brim and it will spill. Keep sharpening your knife and it will blunt.

Never interrupt your enemy when he is making a mistake.

Change alone is unchanging.

True wisdom comes to each of us when we realize how little we understand about life, ourselves, and the world around us.

The fifth freedom is freedom from ignorance.

To suffer the penalty of too much haste, which is too little speed.

The chief reason for going to school is to get the impression fixed for life that there is a book side for everything.

Poor is the pupil who does not surpass his master.

The marvel of the Bhagavad-Gita is its truly beautiful revelation of life’s wisdom which enables philosophy to blossom into religion.

Training is everything. The peach was once a bitter almond; cauliflower is nothing but cabbage with a college education.

If men can develop weapons that are so terrifying as to make the thought of global war include almost a sentence for suicide, you would think that man’s intelligence and his comprehension… would include also his ability to find a peaceful solution.

I’m sure a lot of people out there make mistakes.

If you can’t explain it simply, you don’t understand it well enough.

If everything was perfect, you would never learn and you would never grow.

I would rather entertain and hope that people learned something than educate people and hope they were entertained.

The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom.

It’s none of their business that you have to learn how to write. Let them think you were born that way.

We are wiser than we know.

I say there is no darkness but ignorance.

To understand the heart and mind of a person, look not at what he has already achieved, but at what he aspires to.

Failure is not a single, cataclysmic event. You don’t fail overnight. Instead, failure is a few errors in judgement, repeated every day.

Education is hanging around until you’ve caught on.

Crowded classrooms and half-day sessions are a tragic waste of our greatest national resource – the minds of our children.

The roots of education are bitter, but the fruit is sweet.

What we want is to see the child in pursuit of knowledge, and not knowledge in pursuit of the child.

If we had more hell in the pulpit, we would have less hell in the pew.

We really have to understand the person we want to love. If our love is only a will to possess, it is not love. If we only think of ourselves, if we know only our own needs and ignore the needs of the other person, we cannot love.

There is more wisdom in your body than in your deepest philosophy.

The one exclusive sign of thorough knowledge is the power of teaching.

The person who has lived the most is not the one with the most years but the one with the richest experiences.

Education is the most powerful weapon which you can use to change the world.

There is no darkness but ignorance.

A friend is one who knows you and loves you just the same.

In the practice of tolerance, one’s enemy is the best teacher.

I would fain grow old learning many things.

The greatest thing in family life is to take a hint when a hint is intended-and not to take a hint when a hint isn’t intended.