It is never too late to mend.
过而能改，善莫大焉（亡羊补牢，犹未晚也）

Make yourself a better person and know who you are before you try and know someone else and expect them to know you.
在你想了解别人也想让别人了解你之前，先完善并了解自己。

We must accept finite disappointment, but we must never lose infinite hope. ( Martin Luther King, Jr.)
我们必须接受失望，因为它是有限的，但千万不可失去希望，因为它是无穷的。（马丁。路德。金）

What is the man's first duty? The answer is brief: to be himself. 　　　　　　　　　　 　 　　 -- Henrik Ibsen
一个人的首要职责是什么？答案很简单：做自己。 　　　　　　　　　　　　　 -- 易卜生　

Fame usually comes to those who are thinking something else. ( O. W. Holmes )
通常是没想到成名的人反而成了名。（霍姆斯）