the tallest oak in the forest is the tallest not just because it grew from the hardiest acorn; it is the tallest also because no other trees blocked … - Malcolm Gladwell

knowledge of a boy's IQ is of little help if you are faced with a formful of clever boys.

Just think about how many times you have criticized someone else, in hindsight, for their failure to spot a liar. You should have known. There were all kinds of red flags. You had doubts. Levine would say that’s the wrong way to think about the problem. The right question is: were there enough red flags to push you over the threshold of belief? If there weren’t, then by defaulting to truth you were only being human.

The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.