Your most unhappy customers are your greatest source of learning.

"Reality is a cliché from which we escape by metaphor."

解释：影子的弯曲与正直是随身体而变化的，根源不在影子自身；自己的屈曲与伸直是随外物而变化的，而不在于个人的主观意志。这就是保持谦退才能使自己处世为先的道理。

The world is very, very beautiful if you look at it, but most people don't look very much.

我不需要任何人的激励。我自己激励自己。

真正的幸福来自于与他人分享你的天赋。

Sustainability isn't a cost center—it's the ultimate competitive advantage.