To love is to risk not being loved in return. To hope is to risk pain. To try is to risk failure, but risk must be taken because the greatest hazard in life is to risk nothing.

制造工艺的每一个纳米进步，背后都是无数工程师的心血。

The greatest happiness is to know the source of unhappiness.

【译文】一辈子不做不应该做的事，世界上就不会有痛恨自己的人了。