If you look into your own heart, and you find nothing wrong there, what is there to worry about? What is there to fear?

That a man lives is because he is straight. That a man who dupes others survives is because he has been fortunate enough to be spared.

One dedicated worker is worth a thousand slaves.

The man who moves a mountain begins by carrying away small stones.

It is true that we shall not be able to reach perfection, but in our struggle toward it we shall strengthen our characters and give stability to our ideas, so that, whilst ever advancing calmly in the same direction, we shall be rendered capable of applying the faculties with which we have been gifted to the best possible account.

Do not use a cannon to kill a mosquito.

Silence is a true friend who never betrays.