The limits of the possible can only be defined by going beyond them into the impossible.

Never trust the advice of a man in difficulties.

It marks a big step in your development when you come to realize that other people can help you do a better job than you could do alone.

When I give, I give myself.

A sudden dart when a little over a hundred feet from the end of the track, or a little over 120 feet from the point at which it rose into the air, ended the flight.

Patience is bitter, but its fruit is sweet.

Trust in dreams, for in them is hidden the gate to eternity.

The one excellent thing that can be learned from a lion is that whatever a man intends doing should be done by him with a whole-hearted and strenuous effort.

I seldom end up where I wanted to go, but almost always end up where I need to be.

In winter, I plot and plan. In spring, I move.

You are never too old to become younger!

Neither worse then or better is a thing made by being praised.

The unexamined life is not worth living.

Anything that makes weak - physically, intellectually and spiritually, reject it as poison.

When they say the sky's the limit to me that's really true

Never tell all you know-not even to the person you know best.

I would prefer even to fail with honor than win by cheating.

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.

To see me does not necessarily mean to see my face. To understand my thoughts is to have seen me.

There is no refuge from confession but suicide; and suicide is confession.

You say I started out with practically nothing, but that isn't correct. We all start with all there is, it's how we use it that makes things possible.