"Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for."

"I am the wisest man alive, for I know one thing, and that is that I know nothing."

"Prefer knowledge to wealth, for the one is transitory, the other perpetual"

"We cannot live better than in seeking to become better."

"Envy is the ulcer of the soul."

"We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light."

"understanding a question is half an answer"

"Beware the barrenness of a busy life."

"The hour of departure has arrived, and we go our separate ways, I to die, and you to live. Which of these two is better only God knows."

"The hottest love has the coldest end."

"The secret of change is to focus all of your energy, not on fighting the old, but on building the new."

"Thou shouldst eat to live; not live to eat."