我是自己心灵的囚徒，但艺术让我自由。

Youth is not a time of life; it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of the imagination, a vigor of the emotions; it is the freshness of the deep springs of life.

The concept of computational efficiency is central to the design of learning algorithms.

创新区分了领导者和跟随者。

The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.

写作是一种不被中断的谈话方式。