语言的美在于它能传达不可言喻的东西,使无形的东西变得有形。
The secret of change is to focus all of your energy not on fighting the old, but on building the new.
The progress of science consists in the expansion of the field of experience.
数学推理可以相当系统地看作是对两种能力的结合运用,我们可以称之为直觉和独创性。
The only limits in life are the ones you set for yourself.