All things are possible until they are proved impossible – and even the impossible may only be so, as of now.
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。
The magic number 150 suggests that the size of our social networks is limited by the size of our brains.
You can’t be everything to everyone, but you can be everything to someone.
Science is the poetry of reality.