做伟大的事情很困难，但指挥伟大的事情更困难。

Every discovery in science opens up a new set of questions, and that's what makes it so exciting.

沉默并不总是智慧的标志，但喋喋不休总是愚蠢的标志。

Between stimulus and response there is a space. In that space is our power to choose our response. In our response lies our growth and our freedom.

当人是兽时，他比兽还坏。

The only way to overcome obstacles is to face them head-on.

在这个世界上生存的唯一方法是对它的恐怖麻木不仁。