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The world is full of people who will tell you what you can't do. What you must do is find the ones who will tell you what you can.
Life can only be understood backwards; but it must be lived forwards.
The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.
白云谦卑地站在天边,晨光给它披上壮丽的光彩。
有权势的天子,也未必尊贵;穷苦的平民,也未必低贱。贵贱的分别,在于行为的美恶。