I don't think about the past. The only thing that matters is the everlasting present.

True wisdom lies in admitting one's ignorance.

The quality of an organization's mission determines the quality of its purpose.

The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.

我认为最好的电影是出于两个原因之一：要么是为了赚很多钱，要么是因为电影制片人有话要说。