释义：生前费尽心思追求各种东西，死后却只能留下一双空手。人生的悲欢离合每天都在上演，寿命的长短和命运的通达与否每天都在变化。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

I'm not going to let anyone bring me down.

在计算机科学中，我们站在彼此的肩膀上。

真正的独角兽不仅仅是估值，而是创造持久的价值。