All is number.
一切都是数字。
"The pursuit of knowledge is a journey without end."
Never underestimate the power of persistence.
如果你想做好一件事，就自己动手。
Happiness is not something ready made. It comes from your own actions.
Theorems are not discovered by accident.
Overhead, without any fuss, the stars were going out.
A Jewish man with parents alive is a fifteen-year-old boy, and will remain a fifteen-year-old boy until they die!