I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

I'm not afraid of storms, for I'm learning how to sail my ship.

你总统领导不了是因为我。

时节不寒冷，就不会知道松柏挺拔且郁郁葱葱的；事情不危难，就不会知道君子每日都在持守信念。