Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.

Never look back unless you are planning to go that way.

A pure hand needs no glove to cover it.

I do not care so much what I am to others as I care what I am to myself.

To go too far is as bad as to fall short.

When it comes down to it, I let them think what they want. If they care enough to bother with what I do, then I'm already better than them.

Duty does not require any person to submit to the destruction of his personal ambitions and the right to live his own life in his own way.

Make today worth remembering.

A liar will not be believed even when he speaks the truth.

If the little bit you have is nothing special in itself, at least find a way of saying it that is a little bit special.

Our life is what our thoughts make it.

Don't just read the easy stuff. You may be entertained by it, but you will never grow from it.

Diligence is the mother of good fortune. And idleness, its opposite, never brought a man to the goal of any of his best wishes.

Don't fear failure. Not failure, but low aim, is the crime. In great attempts it is glorious even to fail.

Do not look for approval except for the consciousness of doing your best.

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

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

Somewhere, something incredible is waiting to be known.

You can wish for things in the future to be different, but in this moment you have to accept things as they are.

We should not give up and we should not allow the problem to defeat us.

Out of your vulnerabilities will come your strength.