It is the absence of facts that frightens people: the gap you open, into which they pour their fears, fantasies, desires.
Education is not just about building schools, but about ensuring children actually learn.
个愚蠢的人知道自己的愚蠢,这使他至少是聪明的。一位愚蠢的人以为自己聪明,这才是真正的愚蠢。
Optimization hinders evolution.