When he was about to break camp in haste by night to leave the enemy's country, and saw his favourite youth, owing to illness, being left behind all in tears, he said, ‘It is hard to be merciful and sensible at the same time.’ 1
1 Cf. Moralia, 209 F, infra, and Plutarch's Life of Agesilaus, chap. xiii. (603 B).