森林面临的最大威胁不是砍伐,而是漠不关心。
The greatest threat to our forests is not logging, but indifference.
Giving up on assembly language was the apple in our Garden of Eden: Languages whose use squanders machine cycles are sinful. The LISP machine now permits LISP programmers to abandon bra and fig-leaf.
因果关系的阶梯有三个梯级:观察、行动和想象。
I think the best way to learn is by doing.