Xenophon, Memorabilia of Socrates 47

Once when someone was in a fury of indignation because he had bidden a passerby good day and the salutation was not returned, Socrates said: "It is enough to make one laugh! If you met a man in a wretched condition of body, you would not fall into a rage; but because you stumble upon a poor soul somewhat boorishly disposed, you feel annoyed." To the remark of another who complained that he did not…