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Make women rational creatures, and free citizens, and they will quickly become good wives, and mothers; that is, if men do not neglect the duties of husbands and fathers.

The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.

Investors should avoid trying to predict the market; it's a fool's errand.

軋棉機的發明是需求和觀察的結果。

我相信文學的力量可以改變我們看待世界的方式。

科學是現實的詩歌。