We must make automatic and habitual, as early as possible, as many useful actions as we can, and as carefully guard against the growing into ways that are likely to be disadvantageous.

I know that you, ladies and gentlemen, have a philosophy, each and all of you, and that the most interesting and important thing about you is the way in which it determines the perspective in your several worlds.

Begin to be now what you will be hereafter.

Truth is something that happens to an idea.

Agisci come se quel che fai, facesse la differenza. La fa!

We can change our circumstances by a mere change of our attitude.

I will act as if I do make a difference.