5、失望来自期望，期望来自奢望。

Disappointment comes from expectation， expectation comes from extravagance。

6、如果你不能简单说清楚，就是你没完全明白。

If you can't make it clear， you don't quite understand。

7、想要无可代替，必须时刻保证你的努力。

If you want to be irreplaceable， you must always guarantee your efforts。

8、同一件事，自愿做，是享受；被迫做，是难受。

To do the same thing voluntarily is to enjoy and to be forced is to suffer。