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學習數學的最好方法就是做數學。

愛別人的，別人也必然愛他，利于別人的，別人也必然利于他，憎惡別人的，別人也必然憎惡他，殘害別人的，別人也必然殘害他。

"In every story, there is a hidden truth waiting to be discovered."

The true cost of overfishing is measured in empty nets and broken communities.

"Life is a series of choices, and the ones you don't make are just as important as the ones you do."

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.