Ambition means tying your well-being to what other people say or do. Self-indulgence means tying it to the things that happen to you. Sanity means ty… - Marcus Aurelius

Μή, εἴ τι αὐτῷ σοὶ δυσκαταπόνητον, τοῦτο ἀνθρώπῳ ἀδύνατον ὑπολαμβάνειν, ἀλλ εἴ τι ἀνθρώπῳ δυνατὸν καὶ οἰκεῖον, τοῦτο καὶ σεαυτῷ ἐφικτὸν νομίζειν.

He who fears death either fears to lose all sensation or fears new sensations. In reality, you will either feel nothing at all, and therefore nothing evil, or else, if you can feel any sensations, you will be a new creature, and so will not have ceased to have life.

In the case of all things which have a certain constitution, whatever harm may happen to any of them, that which is affected becomes consequently worse; but in like case, a man becomes both better... and more worthy of praise, by making the right use of these accidents.