Life is like a song, with highs and lows.
Stay the course. No matter what happens, stick to your program.
I don't think about limitations. I think about possibilities.
【释义】上级不讲信用，就无法驱使下级；下级不讲信用，就无法侍奉上级，信用作为一种道德准则，意义十分重大。