"Reading should not be presented to children as a chore or duty. It should be offered to them as a precious gift."

The present state of the system of nature is evidently a resultant of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.

教育的功能是教会人们深入思考和批判性思考。智慧加上品格——这才是真正教育的目标。

自由并不意味着有权做任何你想做的事情，而是有权做正确的事情。

The joy of discovery is what keeps me motivated after all these years.