58. Any circumstance in which a man finds himself unwillingly is a prison and a punishment for him. So be content with whatever circumstances you may now be in, lest by being ungrateful you punish yourself unwittingly. This contentment can be achieved in but one way: through detachment from worldly things.

St. Anthony the Great: On the Character of Men and on the Virtuous Life: One Hundred and Seventy Texts
Philokalia