Most men die at twenty or thirty; thereafter they are only reflections of themselves.
過去從未死去，它甚至還沒有過去。
The human mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.
如果我們明智地使用技術，它可以成為林業(yè)最偉大的盟友。
激光對于阿秒物理學的意義，就像望遠鏡對于天文學的意義一樣。