Every mental state corresponds to a specific brain state.
市场本身并不能产生有效的结果。
Knowledge has value only insofar as it contributes to the liberation of humanity.
My blindness is not a tragedy, but just another way of seeing.
物理学的语言是数学，但其意义是哲学。
有时候，最难的事情和正确的事情是同一件事。
你写作不是因为你想说什么，而是因为你有话要说。
Happiness is a good flow of life； the conviction that you are taking part in the universe's purpose.