no pain， no gain 的意思是不劳无获一分耕耘一分收获。
英语谚语还有：
1、Nothing is impossible to a willing heart./Where there is a will there is a way.
有志者，事竟成。
2、Every little helps.
积少成多。
3、Lost years are worse than lost dollars.
一寸光阴一寸金，寸今难买寸光阴。
4、Pride hurts， modesty benefits.
满招损，谦受益。
5、God helps those who help themselves.
自助者天助。
