There is no medicine like hope.

It is what we do easily and what we like to do that we do well.

Concentrate . . . for the greatest achievements are reserved for the man of single aim, in whom no rival powers divide the empire of the soul.

The size of your accomplishments, the quality of your achievement, will depend very largely on how big a man you see in yourself, what sort of image you get of your possible self, yourself at your best.

Worry clogs the brain and paralyzes the thought. A troubled brain can not think clearly, vigorously, locally.

Wisdom is knowledge which has become a part of one's being.

Put the uncommon effort into the common task... make it large by doing it in a great way.