the higher up, the greater the fall.
1、爬得高，摔得惨。
the leopard cannot change its spots.
2、本性难移。
the more noble, the more humble.
3、人越高尚，越谦虚。
pleasure comes through toil.
4、苦尽甘来。
pour water into a sieve.
5、竹篮子打水一场空。
practice makes perfect.
6、熟能生巧。
praise is not pudding.
7、恭维话不能当饭吃。
praise makes good men better, and bad men worse.
8、好人越夸越好，坏人越夸越糟。
prefer loss to unjust gain.
9、宁可吃亏，不贪便宜。
prevention is better than cure.
10、预防胜于治疗。