I could use a hundred people who don't know there is such a word as impossible.

Merely gathering knowledge may become the most useless work a man can do. What can you do to help and heal the world? That is the educational test.

There's no such thing as no chance.

The longer an article is in the process of manufacture and the more it is moved about, the greater its ultimate cost.

That the Devil finds work for idle hands to do is probably true. But there is a profound difference between leisure and idleness.

There is no failure except failure to serve one's purpose.

It is failure that is easy. Success is always hard.