PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。
世界上充满了神奇的事物,耐心地等待我们的智慧变得更加敏锐。
People work better when they know what the goal is and why.It is important that people look forward to coming to work in the morning and enjoy working.
天下的治乱不在于一个王朝的兴亡,而在于百姓的忧乐。