The basis of a democratic state is liberty.
The art of doing mathematics consists in finding that special case which contains all the germs of generality.
解决复杂问题的关键在于将其分解成可处理的部分。
The biggest barrier to change isn't technology; it's the fear of leaving the familiar behind.
The true measure of success is not just profit, but the positive legacy we leave for future generations.
The past is the only dead thing that smells sweet.