颜子四勿，要收入来，闲存工夫，制外以养中也；孟子四端，要扩充去，格致工夫，推近以暨远也。
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。
Stay hungry, stay foolish.
我对中间状态、事物之间的相互关系感兴趣。
It is not from the benevolence of the butcher， the brewer， or the baker that we expect our dinner， but from their regard to their own interest.
I think it's important to be able to have a sense of humor about life.
I believe in the discipline of mastering the best that other people have ever figured out.
The biggest risk is not taking any risk... In a world that is changing really quickly, the only strategy that is guaranteed to fail is not taking risks.