A crooked iron may be hammered straight. (Danish) Crooked by nature is never made straight by education. (Italian) Crooked firewood disturbs the fire; a bad man upsets the home. (Yoruban) Crooked logs make straight fires. (German) Crooked wood burns...

Crook can refer to the following: Crooking is a verb to refer to the action of creating a bend or curve; for example, crooking a finger. Hence a crook may be anything that is crooked. Specifically, a crook is a tool with a crook in it, such as a...