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整個科學不過是日常思維的提煉。

I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them.

When playing Monopoly， spend all you have to buy， barter， or trade for the Orange properties. Don’t bother with Utilities.

人最重要的品質是勇氣。沒有它，其他品質都毫無價值。