1、If you venture nothing, you will have nothing.
不入虎穴，焉得虎子。
2、Hope for the best, but prepare for the worst.
抱最好的愿望，做最坏的打算。
3、God helps those who help themselves.
自助者天助。
4、It is easy to open a shop but hard to keep it always open.
创业容易守业难
5、It is never too old to learn.
活到老，学到老。
