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One of the first proofs of self-mastery is when one shows that he can be kind and forbearing and genial with companions of the most dissimilar characters and temperaments. And of the strongest signs of retrogression when one shows that he expects others to like what he likes and act as he acts.
Damodar, p. 505, 506
[from a letter from Mahatma K.H. to Franz Hartman]