你不能通过人们如何度过他们的人生来评判他们。你只能通过他们如何对待你来评判。
Happiness is secured through virtue; it is a good attained by man's own will.
A good learning algorithm should be able to generalize from a limited set of examples to unseen data.
I don’t think you can compare different eras. Every era has its own challenges and its own special things.