21. Do not change horses in mid-stream. 别在河流中间换马。
22. Do not have too many irons in the fire. 贪多嚼不烂。
23. Do not pull all your eggs in one basket. 别把所有的蛋都放在一个篮子里。(不要孤注一掷。)
24. Do not teach fish to swim. 不要班门弄斧。
25. East or west, home is the best. 东奔西跑，还是家里好。
