The merit of all things lies in their difficulty.

The chain of wedlock is so heavy that it takes two to carry it - sometimes three

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.

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.