True collaboration across departments breaks down silos and drives meaningful progress.

四勿：“非礼勿视，非礼勿听，非礼勿言，非礼勿动。”四端：“恻隐之心，仁之端也；羞恶之心，义之端也；辞让之心，礼之端也；是非之心，智之端也。”颜渊的“四勿”，要牢记心里；下工夫闲静存诚，克服外部的干扰以修养心性；孟子的“四端”，要尽力扩充，下工夫格物致知，由近及远，推己及人。

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

General relativity has passed every test we’ve thrown at it, even near a supermassive black hole.

The task of the writer is to make the familiar strange and the strange familiar.

The development of attention in childhood is a foundation for self-regulation and academic achievement.

The city is a living organism that we must treat with care.