对来自学生的批评应该本着友好的精神来接受，学习材料的积累不应该扼杀学生的独立性。

Standards are the key to the success of the Internet.

The architect must be a poet, a builder, and a revolutionary.

有耐心是弱者的优点，缺乏耐心是强者的弱点。

The true joy of research comes from pushing the boundaries of what we thought was possible.