One must be something to be able to do something.

Limitation of aims is the mother of wisdom and the secret of achievement.

Man believes himself always greater than he is, and is esteemed less than he is worth.

Treat a person as they are, they will remain so. Treat a person the way that person can be and is capable of being and that person will become as he or she can be and should be.

There are people who pay attention to the weaknesses of their friends; that is to no avail. I have always closely watched and profited from the strengths of my adversaries.

There are but few who have ideas and are, at the same time, capable of action. Ideas enlarge but stymie, action enlivens but confines.

Until one is committed, there is hesitancy, the chance to draw back, always ineffectiveness. Concerning all acts of initiation - creation - there is one elementary truth, the ignorance of which kills countless ideas and splendid plans.