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。

Home is not where you are born; home is where all your attempts to escape cease.

The concept of law is not a concept of a thing, but of a complex social practice.

市场永远不会错——意见往往是错的。

True leadership is measured by how well your team performs when you're not there.