你必须愿意为成为你想成为的人而牺牲你现在所拥有的。
You have to be willing to sacrifice what you are for what you will become.
A good book should leave you slightly exhausted at the end. You live several lives while reading it.
一本好书应该让你在读完时感到些许疲惫。在阅读时，你经历了多个生命。
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.
The secret of change is to focus all of your energy not on fighting the old, but on building the new.