The biggest risk is not taking any risk.

A proof tells us where to concentrate our doubts.

When we thin forests with purpose, we're not taking away life—we're making room for more life to flourish.

恨自己就无法爱他人。这就是在面对因其极度高洁而闻名的人时，我们感觉极为不安的原因：他们带来自我折磨的氛围——一种邪恶而非德行。