观其交游，则其贤、不肖可察也。
不肖：品行不好，不正派。观察他所交往的是些什么人，就能看出他是品德好的人还是不正派的人。
没有坚强意志品质的人学识智慧也不会通达;不遵守诺言的人行动也不会实现。
You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.
"Technology is nothing if it doesn't empower people."
Overfishing today means empty nets tomorrow.