Epicurus — "The pleasure of the soul is superior to that of the body."

"The flesh receives as unlimited the limits of pleasure; and to provide it requires unlimited time. But the mind, intellectually grasping what the end and limit of the flesh is, and banishing the terro…"

"The flesh cries out for an end to hunger, an end to thirst, an end to cold. If a man has these, and is confident of having them in the future, he might contend in happiness even with Zeus."

"The wise man will not groan and howl when he is tortured."

"The study of nature creates men who are not only free from fear, but also from vanity."

"The wise man is not afraid of death; indeed, he welcomes it as a release from the bondage of the body."