计算学习理论中的挑战是理解学习算法的能力和局限性。
The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.
唯一的限制是你自己设定的。
没有思想的自由，就没有真正的自由。
In mathematics, the art of proposing a question must be held of higher value than solving it.
To understand the mind, we must first understand its evolutionary purpose.
信仰是在你看不见整段楼梯时就踏出第一步。