David

“We are at the mercy of whoever wields authority over the things we either desire or detest. If you would be free, then, do not wish to have, or avoid, things that other people control, because then you must serve as their slave.”
― Epictetus, Discourses and Selected Writings

“As human nature is essentially rational, it follows that the highest form of excellence, and the key to living harmoniously, is the perfection of reason or wisdom, and the greatest vice is folly or ignorance.”
― Don Robertson, Stoicism and the Art of Happiness: Practical wisdom for everyday life: embrace perseverance, strength and happiness with stoic philosophy

“Do not spoil what you have by desiring what you have not; remember that what you now have was once among the things you only hoped for.”
― Epicurus

“Religion is a belief in invisible beings, inaudible voices, intangible entities, undetectable forces, and events and judgments that happen after we die. It therefore has no reality check. And it is therefore uniquely armored against criticism, questioning, and self-correction. It is uniquely armored against anything that might stop it from spinning into extreme absurdity, extreme denial of reality… and extreme, grotesque immorality.”
― Greta Christina, Why Are You Atheists So Angry? 99 Things That Piss Off the Godless