Quality should never be compromised for speed.

领导力在于做出艰难的决定并坚持到底。

质量不是运气；它是一种策略。

We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.

实现长期成功的唯一方法是在社会中创造真正的价值。