The price of freedom is eternal vigilance.
The mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.
The cost of inaction is far greater than the cost of action.
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
We don’t have as many managers as we should, but we would rather have too few than too many.
创新不仅仅是关于新想法，而是以精确和激情执行它们。
