Marcus Aurelius
Meditations 6.53
Accustom thyself to attend carefully to what is said by another, and as much as it is possible, be in the speaker's mind.
Marcus Aurelius, Meditations 6.53, translated by George Long
Train thyself to pay careful attention to what is being said by another and as far as possible enter into his soul.
Marcus Aurelius, Meditations 6.53, translated by C. R. Haines