A mathematician is a device for turning coffee into theorems.
It is the client who knows what hurts, what directions to go, what problems are crucial, what experiences have been deeply buried.
要训练一只鹰,你必须像鹰一样观察它。
婚姻是男女的结合,是终生的伴侣关系,是神圣和人类法律的共享。