唯一值得称道的自由是追求我们自己的利益的自由方式，只要我们不试图剥夺别人的利益或妨碍他们获得自己的利益。

创新往往发生在不同领域的边界上。

Dream big, start small, act now.

不要以为春天已经离去无处可寻，绿荫下还有未开放的花朵

Every tomorrow has two handles. We can take hold of it with the handle of anxiety or the handle of faith.

The power of causal reasoning is that it allows us to predict the effects of actions we have never taken.

过去从未死去，它甚至从未过去。