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民主城邦的基礎是自由權。

行為主義者問：為什么我們不把可觀察的東西作為心理學的真正領域？

The best leaders are those who listen more than they speak.

"The truth is rarely pure and never simple."

A man is like a fraction whose numerator is what he is and whose denominator is what he thinks of himself. The larger the denominator, the smaller the fraction.

貪婪是工業的鞭策。

動物的心臟是其生命的基礎，是體內一切的主宰。