利润和目标不是对立的——它们是21世纪商业的双引擎。
The more one judges, the less one loves.
The capacity of the human mind for forming and manipulating symbols is what sets us apart from other animals.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
The first love is only a little foolishness and a lot of curiosity.
I must study politics and war that my sons may have liberty to study mathematics and philosophy.