世界上最好和最美丽的东西是看不见甚至摸不着的 - 它们必须用心去感受。
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
学习算法的研究必须同时考虑学习的统计和计算方面。
美不是装饰，而是一种必需品。
Good policy requires both sound theory and empirical validation.
The best database systems are those that are invisible to the user, yet powerful in their capabilities.