The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

Knowledge, Action, Devotion are complementary to each other.

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

The only true wisdom is in knowing you know nothing.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

If there were no bad people, there would be no good lawyers.

The man who does not read good books has no advantage over the man who can't read them.

A thought is an idea in transit.

Common sense is the collection of prejudices acquired by age eighteen.

I think that kids have a greater capacity for processing things than we give them credit for.

The most savage controversies are those about matters as to which there is no good evidence either way.

Just because I don't care doesn't mean I don't understand.

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

To every action there is always an equal and opposite or contrary, reaction

The secret of life is not enjoyment but education through experience.

I like poems you can tack all over with a hammer and there are no hollow places.

There is nothing more awful, insulting, and depressing than banality.

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

The whole of science is nothing more than a refinement of everyday thinking.