Experience is the father of wisdom and memory the mother.
经验是智慧之父,记忆是智慧之母。
Experience must be bought.
吃一堑,长一智。
Fact speak louder than words.
事实胜于雄辩。
Failure is the mother of success.
失败是成功之母。
False friends are worse than bitter enemies.
明枪易躲,暗箭难防。
Every potter praises hit pot.
王婆卖瓜,自卖自夸。