"When I want to read a good book, I write one."

"There is no more potent antidote to the poison of an evil imagination than the free and healthy play of the mind upon the works of nature."

"The most dangerous strategy is to jump a chasm in two leaps."

"The praise of a fool is incense to the wisest of us."

"The health of the people is really the foundation upon which all their happiness and all their powers as a state depend."