"The ultimate test of a machine learning algorithm is its ability to perform well on new, unseen data."
超导理论不仅仅是一种特定现象的理论，而是量子凝聚态物质的一般理论。
There's a real correlation between a society that tells people that they can do anything, and the existence of low self-esteem. So that's another way in which something quite positive can have a nasty kickback. There is another reason why we might be feeling more anxious --about our careers, about our status in the world today, than ever before. And it's, again, linked to something nice. And that nice thing is called meritocracy.
The key to success in business is not just about making money, but about creating value for customers.
"History is not the past. It is the method we have evolved of organizing our ignorance of the past."
童话比真实更真实：不是因为它们告诉我们龙存在，而是因为它们告诉我们龙可以被击败。