灵魂的快乐在于行动。
If you don't fail at least 90 percent of the time, you're not aiming high enough.
语言教学的本质在于思维能力的培养和文化意识的发展
在计算复杂性的领域里,每个问题都是一个等待被探索的宇宙。
The art of reading is to skip judiciously.