"There is a demand in these days for men who can make wrong appear right."

"Charity begins at home."

"Too much liberty corrupts us all."

"What is done let us leave alone."

"I bid him look into the lives of men as though into a mirror, and from others to take an example for himself."

"In fact, nothing is said that has not been said before."

"Judge of a man by his questions rather than by his answers."

"A wise man's question contains half the answer."

"There are two sides to every question."

"A thinker sees his own actions as experiments and questions--as attempts to find out something. Success and failure are for him answers above all."

"In all affairs it's a healthy thing now and then to hang a question mark on the things you have long taken for granted."

"The most erroneous stories are those we think we know best - and therefore never scrutinize or question."