做出伟大工作的唯一方法是热爱你所做的事情。

The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.

恐惧常常是我们最大不幸的根源。

趋势是你的朋友，直到它结束。