Isn't it astonishing that all these secrets have been preserved for so many years just so we could discover them!

When everything seems to be going against you, remember that the airplane takes off against the wind, not with it ....

Don't find fault, find a remedy; anybody can complain

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.

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.

We are all in the gutter, but some of us are looking at the stars.

People are capable, at any time in their lives, of doing what they dream of.

They say Rome wasn't built in a day, but I wasn't on that particular job.

There is only one corner of the universe you can be certain of improving, and that's your own self.

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.

Failure is not our only punishment for laziness; there is also the success of others.

Work gives you meaning and purpose and life is empty without it.

It's not the load that breaks you down, it's the way you carry it.

We are what our thoughts have made us; so take care about what you think. Words are secondary. Thoughts live; they travel far.

A man can't soar too high, when he flies with his own wings.

There is nothing in a caterpillar that tells you it's going to be a butterfly.

The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.

It's not what you look at that matters, it's what you see.

Winning isn't everything but wanting to win is.

Dare to be free, dare to go as far as your thought leads, and dare to carry that out in your life.

The best way out is always through.