真理总是革命性的。

断奶在幼儿生命中是个重要的转折点，我们不该让孩子继续吸吮而不咀嚼食物。

真正的智慧并非在于避免所有的错误，而是在于从错误中快速学习和成长。

The reality is: sometimes you lose. And you're never too good to lose. You're never too big to lose. You're never too smart to lose. It happens.

证明是一种可重复的说服实验。