Kind

kind, adj. [ME. kinde, kynde, kunde; AS. gecynde, cynde] 1. sympathetic, friendly, gentle, tender-hearted, generous. etc. 2 cordial; as, kind regards. 3. [Obs.], a) natural; native. b) rightful. c) well-born.

Be kind, for everyone you meet is fighting a harder battle.

—Plato (approximate life span) 427–347 B.C.

Plato was a Greek writer and philosopher and a student of Socrates. His most famous student was Aristotle.

A part of kindness consists in loving people more than they deserve.
—Joseph Joubert 1754–1824

Joseph Joubert was a French writer.