“ What are men to rocks and mountains? ”

“ Angry people are not always wise. ”

“ I do not want people to be very agreeable, as it saves me the trouble of liking them a great deal. ”

“ Gratitude is an illness suffered by dogs. ”

“ He has all the virtues I dislike and none of the vices I admire. ”

“ Don't interrupt me while I'm interrupting. ”

“ Tact is the ability to tell someone to go to hell in such a way that they look forward to the trip. ”

“ The high-minded man must care more for the truth than for what people think. ”

“ To perceive is to suffer. ”

“ The man of wisdom is never of two minds; the man of benevolence never worries; the man of courage is never afraid. ”

“ The way out is through the door. Why is it that no one will use this method? ”

“ The hardest thing of all is to find a black cat in a dark room, especially if there is no cat. ”