“No lo hagas, si no conviene; no lo digas si no es verdad.”

“Y recuerda que has de tratarles como a hombres, porque son tan humanos como tú y por tanto te resultan tan imprescindibles como la mandíbula inferior lo es para la superior.”

“The time is at hand when you will have forgotten everything; and the time is at hand when all will have forgotten you. Always reflect that soon you will be no one, and nowhere.”

“When men are inhuman, take care not to feel towards them as they do towards other humans.”

“Do not indulge in dreams of having what you have not, but reckon up the chief of the blessings you do possess, and then thankfully remember how you would crave for them if they were not yours.”

“Do unsavory armpits and bad breath make you angry?”

“Confine yourself to the present.”