我们独处时的自己与在他人面前时从不一样。即使在黑暗中，我们也是不同的。

每本书都是通往新世界、新体验的门户。

我们距离完全理解M理论还很远，但这一旅程已经带来了难以置信的回报。

A story is never finished; it simply waits for the next teller.

Never put off till tomorrow what you can do the day after tomorrow.

Every child should have mud pies, grasshoppers, water bugs, tadpoles, frogs, mud turtles, elderberries, wild strawberries, acorns, chestnuts, trees to climb, brooks to wade in, water lilies, woodchucks, bats, bees, butterflies, various animals to pet, hayfields, pine-cones, rocks to roll, sand, snakes, huckleberries and hornets; and any child who has been deprived of these has been deprived of the best part of education.