When you are doing what you love, you don't feel the pressure.

Education in computer science should inspire creativity and critical thinking.

The Lisp language is designed to be extensible, and it is easy to add new features to it.

译文：凡是一个人要做一件事情，就必须把全部的精神都集中在这件事情上，从开头到结尾都不能松懈，不可以看到别的就改变主意，做着这件事又想着那件事，坐在这座山上又望着那座山。一个人如果没有恒心，一辈子都不会有什么成就。