善因

善 = 业 + 口 + 羊 : Mnemonic symbol: a good book about etiquette.

Sherlock Holmes (sh) finds a bullfrog (业) and a sheep (羊) fighting viciously over a mandarin (口) in the anthill's bathroom (an4). He finds this behaviour unbearable and starts to read Emily Post to them to teach them some manners (善).

因 = 囗 + 大 : Mnemonic symbol: the close reasoner René Descartes.

因 = 囗 + 大 : In front of the encampment, René Descartes, Maud Younger and a robot a starting a big rave. The robot sits inside a big box and is the master of ceremony, while René and Maud are dancing on the square. They started this rave to collect money for a good cause.