Cicero, On Friendship 23

Think not so much of what thou hast not as of what thou hast: but of the things which thou hast select the best, and then reflect how eagerly they would have been sought if thou hadst them not.

From the gods, I received good grandfathers, good parents, a good sister, good teachers, good associates, good kinsmen and friends, nearly everything good.

When thou risest in the morning, think what a privilege it is to live, to think, to enjoy, to love.