Change is the law of life. And those who look only to the past or present are certain to miss the future.

The difference between stupidity and genius is that genius has its limits.

What we live for, if it is not to make life less difficult for each other?

No person is your friend who demands your silence, or denies your right to grow.

All things change; nothing perishes.

I have often said that the lure of flying is the lure of beauty.

If you want your children to turn out well, spend twice as much time with them, and half as much money.