沾沾自喜时,应该约束反省;怒不可遏时,应该约束反省;怠倦懒惰时,应该约束反省;思想狂放时,应该省约束反。
Books make great gifts because they have whole worlds inside of them.
I'm interested in the in-between, the interrelationship between things.
做数学的艺术在于找到那个包含所有普遍性萌芽的特殊案例。
Invest in innovation today to secure relevance tomorrow.