问题是,我们是否乐于假设我们的孙子孙女可能永远无法在大象的图片书之外看到大象?
It’s not given to human beings to have such talent that they can just know everything about everything all the time. But it is given to human beings who work hard at it — who look and sift the world for a mispriced bet — that they can occasionally find one.