自由不仅仅是随心所欲的机会；也不仅仅是在既定选项之间选择的机会。自由首先是制定可用选择的机会，对它们进行辩论——然后，是选择的机会。
Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.
The best fertilizer is the farmer’s shadow in the field.
I don't feel like I have to please anyone but myself.
Technology alone won't solve our challenges—it's how we apply it that matters.
丰田模式的关键以及丰田脱颖而出的原因不在于任何单独的元素……重要的是将所有元素作为一个系统来实践。必须每天以非常一致的方式实践，而不是断断续续地进行。
"真正的冒险不是在地理上的探索，而是在心灵深处的旅程。"
Do not let yourself be tainted with a barren skepticism.