Translation:Mishnah/Seder Nezikin/Tractate Avot/Chapter 5/11

 There are four temperaments among men: 
 * Easy to provoke and easy to appease--his loss is canceled by his gain.
 * Hard to provoke and hard to appease--his gain is canceled by his loss.
 * Hard to provoke and easy to appease--he is pious.
 * Easy to provoke and hard to appease--he is evil.