Loneliness is the curse of nature to those who live in groups, and solitude is the only way out of loneliness.

Quality is not a department; it is a responsibility of everyone in the organization.

君子不以水为镜，而以人为镜。以水为镜，只能看到面容；以人为镜，可以知道吉凶。

To exist is to have a subjective existence.

没有一个明智的飞行员会忘记使用他的清单，无论他的才能和经验有多么出色。