魔鬼不需要长角才危险。
It's not worth it to know you're not worth it!
Perception is an active process where the brain constructs meaning from sensory input.
The nose of a mob is its imagination. By this, at any time, it can be quietly led.
Education is one of the most powerful tools for reducing inequality.
PAC学习框架提供了一种正式的方法来分析学习算法的效率和有效性。
生活中最好的东西是免费的。