Don't let anyone tell you what you ought to like... Some wines that some experts think are absolutely exquisite don't appeal to me at all.

Your talent determines what you can do. Your motivation determines how much you are willing to do. Your attitude determines how well you do it.

Courage isn't having the strength to go on - it is going on when you don't have strength.

Pizza makes me think that anything is possible.

Know thyself.

Some people feel the rain. Others just get wet.

Sincerity and truth are the basis of every virtue.

Good thoughts bear good fruit, bad thoughts bear bad fruit.

The unexamined life is not worth living.

Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for.

Status quo, you know, is Latin for 'the mess we're in'.

Be yourself, let you come through.

A man is but the product of his thoughts. What he thinks, he becomes.

Repetition of the same thought or physical action develops into a habit which, repeated frequently enough, becomes an automatic reflex.

I may not have gone where I intended to go, but I think I have ended up where I needed to be.

Any book that helps a child to form a habit of reading, to make reading one of his deep and continuing needs, is good for him.

Victory is for those who can say 'Victory is mine'. Success is for those who can begin saying 'I will succeed' and say 'I have succeeded' in the end.

He was a dreamer, a thinker, a speculative philosopher... or, as his wife would have it, an idiot.

The greatest sin is to think yourself weak

I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.

I am as bad as the worst, but, thank God, I am as good as the best.