81. Business is business. 生意是生意，交情归交情。

　　82. By doing nothing we learn to do ill. 一闲生百邪。

　　83. By learning you will teach， by teaching you will learn. 教学相长。

　　84. By reading we enrich the mind； by conversation we polish it. 读书益智，交谈搏彩。

　　85. By uniting we stand， by dividing we fall. 团结则存，分裂则亡。