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.
The mind is not a passive mirror but an active participant in life.
 人们害怕死亡,就像孩子害怕黑暗一样;而且,正如孩子对黑暗的自然恐惧会受到各种故事的加剧一样,人们对死亡的恐惧也是如此。