“The First wealth is health.”

“Give me health and a day, and I will make the pomp of emperors ridiculous.”

“Every violation of truth is not only a sort of suicide in the liar, but is a stab at the health of human society.”

“Nothing is rich but the inexhaustible wealth of nature. She shows us only surfaces, but she is a million fathoms deep.”

“The health of the eye seems to demand a horizon. We are never tired, so long as we can see far enough.”

“When I go into the garden with a spade and dig a bed I feel such an exhilaration and health that I discover that I have been defrauding myself all this time in letting others do for me what I should have done with my own hands.”

“He in whom the love of repose predominates will accept the first creed, the first philosophy, the first political party he meets — most likely his father's. He gets rest, commodity, and reputation; but he shuts the door of truth.”