The great growling engine of change—technology.

爱是一切的关键。

"Writing is a way to make sense of our struggles."

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

儿童的进步不是取决于年龄，而是取决于能够自由地观看他周围的一切。

你只活一次。使它有意义。