要不甘平庸的人行动起来，那么想平庸都难

We are laities. Me too. Action makes laity succeed.

翻译为：We all are the mediocre person, I also am, so long as the unwilling mediocre person goes into action, then thought mediocre is all difficult.
保证对

Both you and I are common people. However, if a common people really starts to do something, the thing won't look common.