1、Motivation is what gets you started. Habit is what keeps you going.

动力使你开始，习惯让你坚持。

2、Good habits, once established are just as hard to break as are bad habits

好习惯一旦养成了和坏习惯一样难以改掉。

3、A bad beginning makes a bad ending.

不善始者不善终。

4、A fall into a pit, a gain in your wit.

吃一堑，长一智。

5、A fox may grow gray, but never good.

江山易改，本性难移。

6、It is never too old to learn.

活到老，学到老。