Everyone should be respected as an individual, but no one idolized.

It is the supreme art of the teacher to awaken joy in creative expression and knowledge.

We can't solve problems by using the same kind of thinking we used when we created them.

There are two ways to live: you can live as if nothing is a miracle; you can live as if everything is a miracle.

If the facts don't fit the theory, change the facts.

Heroism on command, senseless violence, and all the loathsome nonsense that goes by the name of patriotism - how passionately I hate them!

Nothing is more destructive of respect for the government and the law of the land than passing laws which cannot be enforced.

The value of a man should be seen in what he gives and not in what he is able to receive.

Whoever is careless with the truth in small matters cannot be trusted with important matters.

Only one who devotes himself to a cause with his whole strength and soul can be a true master. For this reason mastery demands all of a person.

As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.

The devil has put a penalty on all things we enjoy in life. Either we suffer in health or we suffer in soul or we get fat.

He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would suffice.

The only reason for time is so that everything doesn't happen at once.

Reality is merely an illusion, albeit a very persistent one.

Information is not knowledge.

Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

Intellectuals solve problems, geniuses prevent them.

The only source of knowledge is experience.

I cannot imagine a God who rewards and punishes the objects of his creation and is but a reflection of human frailty.