I never buy anything unless I can give myself a good reason why I should buy it.
The self is not something ready-made, but something in continuous formation through choice of action.
The trend is your friend.
Science is not just about discovery, it's about persistence and collaboration.
优秀的数学家不是知道所有答案的人,而是能提出正确问题的人。
为人高傲自夸,喜欢独断专行,这是行事办事的祸患。