They just keep trotting back and forth across the bridge thinking there is something better on the other side. If they'd hang head down at the top of the thing and wait quietly, maybe something good would come along. But no—with men it's rush, rush, rush, every minute. I'm glad I'm a sedentary spider.

Technology has no boundaries, but its application must have direction.

The art of doing mathematics consists in finding that special case which contains all the germs of generality.

人们放弃权力的最常见方式是认为自己没有任何权力。