小人之道，有必为，无必不为。君子之道，有必不为，无必为。
释义：人的本质以忠诚和守信为美好，道德以喜好学习为极致。
I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.
I always try to challenge myself with each new project.
In the end, we will remember not the words of our enemies, but the silence of our friends.
诗人是为不可名状之物命名的人。
白云谦卑地站在天边，晨光给它披上壮丽的光彩。