"The first step, my son, which one takes in the world, is to make oneself necessary."

"The instruction we receive in our childhood is like the engraving on a stone, which time effaces but slowly."

"Superstition is to religion what astrology is to astronomy, the mad daughter of a wise mother."

"We are all full of weakness and errors; let us mutually pardon each other our follies - it is the first law of nature."

"The pen is mightier than the sword."