永远对你所拥有的心怀感激。

计算效率的概念是学习算法设计的核心。

Survival can be summed up in three words—never give up. That's the heart of it really. Just keep trying.

The method of psychology must be as exact as that of the physical sciences.

The relation between what we see and what we know is never settled.

相机是个骗子。