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I don't sing because I'm happy; I'm happy because I sing.

The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.

翻譯：事物發展到了極點，就要發生變化，發生變化，才會使事物的發展不受阻塞，事物才能不斷的發展。

We must design technology that adapts to human behavior, not the other way around.

The deterioration of a government begins almost always by the decay of its principles.

世界稱之為不道德的書籍，其實是展示世界自身羞恥的書籍。

"A story can change the world, one reader at a time."

The beauty of a woman with passing years only grows!