幸せになるためには、まず自分を愛さなければならない。

The mystery of the beginning of all things is insoluble by us; and I for one must be content to remain an agnostic.  

数学是一门艺术，作为艺术家，你必须对自己诚实。

Don't let anyone tell you what you can't do.

Grief is the price we pay for love.

The most important property of a program is whether it accomplishes the intention of its user.

Don't watch the clock; do what it does. Keep going.