The future is no longer what it was.
"To be happy is to be able to become aware of oneself without fright."
计算复杂性理论的发展向我们展示了并非所有问题都是平等的。
美联储对金融危机的回应实际上是经典的最后贷款人操作,根据危机的规模进行了调整。
I find myself always worrying about tomorrow...Then when tomorrow becomes today, I start worrying about tomorrow again...