楚国的狂人接舆唱歌路过孔子车旁，说：“凤啊！凤啊！你怎么这样倒霉？过去的不可挽回，未来的还可以赶上。算了！算了！现在的执政者很危险！”

"Thinking begins only when we have come to know that reason, glorified for centuries, is the most stiff-necked adversary of thought."

"We must constantly challenge our assumptions and be willing to change our minds."

"The best books are the ones that make you feel less alone."

The social brain hypothesis suggests that our intelligence evolved to manage our complex social lives.