Certification isn't a finish line—it's the starting point of real responsibility.
Patience and persistence are the keys to unlocking the mysteries of mathematics.
想大事,想长远。最大的风险是不承担任何风险。
如果不是现在,那是什么时候?如果不是我,那会是谁?
The best time to plant a tree was 20 years ago. The second-best time is now.