The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

建筑师必须是尺度的大师。

社交场中的闲逸令人厌恶的，因为它是被迫的；孤独生活中的闲逸是愉快的，因为它是自由的、出于自愿的。

我们要坚持开放合作，实现互利共赢。