"A book is a mirror: if an ape looks into it, an apostle is unlikely to look out."
所有事情都是可能的,直到它们被证明是不可能的——即使不可能的事情,到目前为止也可能只是如此。
最适合文明的气候是刺激但不令人疲惫的气候。
Small changes can lead to big impacts when everyone commits.