People, even more than things, have to be restored, renewed, revived, reclaimed, and redeemed; never throw out anyone.  
The past is always tense, the future perfect.
The internet is a tool that can be used for good or bad, and it's up to us to decide how we use it.
In computer science, abstraction is the key to managing complexity.
智力不仅仅是推理的能力;它还包括在记忆中寻找相关材料并在需要时调动注意力的能力。