The only way to learn mathematics is to do mathematics.
写作的行为是一种乐观的行为。如果你觉得这无关紧要,你就不会费心去做。
"The key to long-term success is not just about making the right decisions, but also about learning from the wrong ones."
如果不是我,那会是谁?如果不是现在,那是什么时候?