The study of computation is essential to understanding the limits of what can be computed.
可持续性不再是一种选择，而是任何希望长期繁荣的企业的必需品。
生活的美丽在于，虽然我们不能撤销已经发生的事情，但我们可以看见它，理解它，从中学习并改变。因此，每一个新的时刻都不应浪费在后悔、内疚、恐惧或愤怒中，而应花费在智慧、理解和爱中。
"In mathematics, you don't understand things. You just get used to them."
It is not shame for a man to learn that which he knows not，whatever his age.