"It is not death that a man should fear, but he should fear never beginning to live." —Marcus Aurelius

"Kindness is unconquerable, so long as it is without flattery or hypocrisy. For what can the most insolent man do to you, if you contrive to be kind to him, and if you have the chance gently advise and calmly show him what is right…and point this out tactfully and from a universal perspective." —Marcus Aurelius

"Knowing yourself is the beginning of all wisdom." —Aristotle

"Most people, when they are set upon looking into other people’s affairs, never turn to examine themselves." —Xenophon, Conversations Of Socrates

"First learn the meaning of what you say, and then speak." —Epictetus

"And you can also commit injustice by doing nothing." —Marcus Aurelius

"The greatest obstacle to living is expectancy, which hangs upon tomorrow, and loses today." —Seneca

"Nothing exists except atoms and free space, everything else is opinion." —Democritus

"The essence of philosophy is that a man should so live that his happiness shall depend as little as possible on external things." —Epictetus

"He who fears death will never do anything worth of a man who is alive." —Seneca

"Gratitude is not only the greatest of virtues, but the parent of all others." —Cicero

"Rule your mind or it will rule you." —Horace

"If you are distressed by anything external, the pain is not due to the thing itself, but to your estimate of it; and this, you have the power to revoke at any moment." —Marcus Aurelius

"Except our own thoughts, there is nothing absolutely in our power." —Descartes

"Love is a serious mental disease." —Plato, Phaedrus

"The greater the difficulty, the more glory in surmounting it. Skillful pilots gain their reputations from storms and tempests." —Epictetus

"Six mistakes mankind keeps making century after century: Believing that personal gain is made by crushing others; Worrying about things that cannot be changed or corrected; Insisting that a thing is impossible because we cannot accomplish it; Refusing to set aside trivial preferences; Neglecting development and refinement of the mind; Attempting to compel others to believe and live as we do." —Cicero

"No man can have a peaceful life who thinks too much about lengthening it." —Seneca

"There is no easy way from the earth to the stars." —Seneca

"Rather fail with honor than succeed by fraud." —Sophocles