我确信我爱我所做的事情，这就是这些年来支持我继续走下去的唯一理由。

"The only true voyage of discovery, the only fountain of Eternal Youth, would be not to visit strange lands but to possess other eyes, to behold the universe through the eyes of another, of a hundred others, to behold the hundred universes that each of them beholds."

学习问题的复杂性通常由假设空间的大小和结构决定。