“风过而竹不留声”，“雁过而潭不留影”，大千世界的种种现象都只是表象，真正具备君子品性的人，才能看清它们的本质，当事情来临时，他的良知就会发挥作用，事情过去之后，一切又归于清净虚空，因此他总能坦坦荡荡无忧无惧。

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.

The future of humanity depends on our ability to understand and manipulate the quantum world.

伦理学的任务不仅是理解世界，而且是改变世界。