“One of the chief things which my typical man has to learn is that the mental faculties are capable of a continuous hard activity; they do not tire like an arm or a leg. All they want is change - not rest, except in sleep.”

“All wrong doing is done in the sincere belief that it is the best thing to do”

“Man, know thyself. I say it out loud. The phrase is one of those phrases with which everyone is familiar, of which everyone acknowledges the value, and which only the most sagacious put into practice. I don't know why.”

“Which of us is not saying to himself--which of us has not been saying to himself all his life: "I shall alter that when I have a little more time"? We never shall have any more time. We have, and we have always had, all the time there is.”

“The chief beauty about timeis that you cannot waste it in advance.The next year, the next day, the next hour are lying ready for you,as perfect, as unspoiled,as if you had never wasted or misapplieda single moment in all your life.You can turn over a new leaf every hourif you choose.”

“Ardour in well-doing is a misleading and a treacherous thing. It cries out loudly for employment; you can't satisfy it at first; it wants more and more; it is eager to move mountains and divert the course of rivers. It isn't content till it perspires. And then, too often, when it feels the perspiration on its brow, it wearies all of a sudden and dies, without even putting itself to the trouble of saying, "I've had enough of this.”

“...happiness does not spring from the procuring of physical or mental pleasure, but from the development of reason and the adjustment of conduct to principles.”