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.

I never buy anything unless I can see a clear path to a 50% gain.

人与人之间的沉默可能比言语更响亮。

未来总是在变化，但过去总是一样的。