一个设计良好的系统应该易于使用、易于理解和易于修改。
The ladder of success is best climbed by stepping on the rungs of opportunity.
Great bakers don't just follow recipes; they understand them.
The arithmetic of L-functions is a key to unlocking the secrets of number theory.
A novel is never finished, only abandoned.
Children’s books should be full of warmth, not just lessons.