"If God listened to the prayers of men, all men would quickly have perished: for they are forever praying for evil against one another." —Epicurus

"The fool’s life is empty of gratitude and full of fears; its course lies wholly toward the future." —Epicurus

"Nature does nothing uselessly." —Aristotle

"The fool’s life is empty of gratitude and full of fears; its course lies wholly toward the future." —Epicurus

"The first step: Don’t be anxious. Nature controls it all." —Marcus Aurelius

"Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present." —Marcus Aurelius

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