Marcus Aurelius: “Be cheerful also, and seek not external help nor the tranquillity which others give.”

For he who yields to pain and he who yields to anger, both are wounded and both submit.

How quickly all things disappear,--in the universe the bodies themselves, but in time the remembrance of them.

As thou intendest to live when them art gone out, ... so it is in thy power to live here.

He was accustomed to do acts of beneficence, and was ready to forgive, and was free from all falsehood; and he presented the appearance of a man who could not be diverted from right, rather than of a man who had been improved.