【译文】 颜渊感叹地说：“老师的学问越仰望越觉得高耸，越钻研越觉得深厚；看着就在前面，忽然却在后面。老师步步引导，用知识丰富我，用礼法约束我，想不学都不成。

Leadership means making tough decisions with compassion and clarity.

The universe is a puzzle, and chemistry is one of the keys.

The truth does not change according to our ability to stomach it.

The best architecture comes from a careful understanding of context.