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The greatest blessing of our democracy is freedom. But in the last analysis, our only freedom is the freedom to discipline ourselves.

The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.

The task of the playwright is to create a world that is both familiar and strange, a world that reflects our own but also challenges it.

在數學中，旅程和目的地同樣重要。

"The only way to do great work is to love what you do."

只有通過苦難才能理解生命的深度。