The world is everything that is the case.
"The world is full of obvious things which nobody by any chance ever observes."
"The mind evolves to meet practical demands."
认证不是终点,而是负责任林业的起点。
Life is a tragedy for those who feel, and a comedy for those who think.
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.