A person who doubts himself is like a man who would enlist in the ranks of his enemies and bear arms against himself. He makes his failures certain by himself being the first person to be convinced of it.

Utterly sure of himself, convinced of his power, certain that the laws that governed other men couldn't touch him, he made straight for any goal he set himself, however rarified and dazzling, even if it were folly for anyone else to even consider it.

The merit of all things lies in their difficulty.

Be nice to people on your way up because you might meet 'em on your way down.

It is high time that the ideal of success should be replaced by the ideal of service.

It is almost as difficult to keep a first class person in a fourth class job, as it is to keep a fourth class person in a first class job.