你可以花钱上学，但你买不来品位。
The arithmetic of modular forms is a key to understanding the deeper structures of number theory.
行业与社区之间的合作是可持续林业的关键。
权力总是危险的。它吸引最坏的人，腐蚀最好的人。
Children totally accept — and crave — family rules. “In our family we have a rule for X” is the only excuse a parent needs for setting a family policy. In fact， “I have a rule for X” is the only excuse you need for your own personal policies.
唯一真正的发现之旅不是去访问陌生的土地，而是拥有其他的眼睛。