Insanity is doing the same thing, over and over again, but expecting different results.

It is better to believe than to disbelieve; in so doing you bring everything to the realm of possibility.

If you want to live a happy life, tie it to a goal, not to people or things.

A ship is always safe at the shore – but that is NOT what it is built for.

Once we accept our limits, we go beyond them.

You never fail until you stop trying.

The only source of knowledge is experience.

We cannot solve our problems with the same thinking we used when we created them.

Logic will get you from A to B. Imagination will take you everywhere.

You have to learn the rules of the game. And then you have to play better than anyone else.

It’s not that I am so smart, it’s just that I stay with problems longer.

Weakness of attitude becomes weakness of character.

In the middle of difficulty lies opportunity.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

Anyone who has never made a mistake has never tried anything new.

Any man who can drive safely while kissing a pretty girl is

An empty stomach is not a good political adviser.

As far as I’m concerned, I prefer silent vice to ostentatious virtue.

Before God we are all equally wise – and equally foolish.