"It is not enough to know, one must also apply; it is not enough to wish, one must also do."

"I have been nourished by books, and I have found in them a great deal of good as well as a great deal of evil."

"I have never had any experience that was not accompanied by some thought."

"He who has a firm and stable mind will find that in all conditions of life he can be master of himself."

"I always wanted to learn to distinguish the true from the false, in order to see clearly in my actions and to walk with confidence in this life."