我的失明不是悲剧，而是以另一种方式看世界的机会。
My blindness is not a tragedy, but an opportunity to see the world in a different way.
Language is both a bridge and a barrier.
In computational complexity, we are not just dealing with the limits of what we can compute, but also with the limits of what we can prove.
Around computers it is difficult to find the correct unit of time to measure progress. Some cathedrals took a century to complete. Can you imagine the grandeur and scope of a program that would take as long?
解释：外表不端正的人，是因为德没有养成；内里不专—的人，是因为心没有治好。端正形貌，整饬内德，使万物都被掌握理解。
估计问题的性质不同。在这里，我们不关心检验特定的假设，而是关心估计参数的值。
水果种植的未来在于平衡传统与现代科学。