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。

Every seed we plant carries the potential to transform lives.

Emotions are biological signals that prepare the organism for action.

儿童对活动的需要几乎比食物的需要更为强烈。

A mind needs books as a sword needs a whetstone if it is to keep its edge.

The stock exchange is a poor substitute for the Holy Grail.

你不尝试，就100%不会成功。