Our trials, our sorrows, and our grieves develop us.

Who would have ever heard of Theodore Roosevelt outside of his immediate community if he had only half committed himself? The great secret of his career was that he has flung his whole life with all the determination and energy he could muster.

This is the test of your manhood: How much is there left in you after you have lost everything outside of yourself?

Our destiny changes with our thought; we shall become what we wish to become, do what we wish to do, when our habitual thought corresponds with our desire.

The greatest advantage of books does not always come from what we remember of them, but from their suggestiveness, their character-building power.

It is the youth who sees a great opportunity hidden in just these simple services, who sees a very uncommon situation, a humble position, who gets on in the world.

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