You think when you wake up in the mornin yesterday don't count. But yesterday is all that does count.

能源危机是一个可以解决的问题——如果我们现在行动的话。

在计算机科学中追求知识是一次穿越无限思想景观的旅程。

We all live in the wreckage of our ancestors' lives.

讽刺是反思的快乐，也是智慧的喜悦。