The only learning which significantly influences behavior is self-discovered, self-appropriated learning.
唯一能显著影响行为的学习是自我发现、自我吸收的学习。
只要人类继续无情地摧毁较低级的生命，他们永远不会知道健康和和平。因为只要人类屠杀动物，他们也会相互杀戮。
Those who dream by day are cognizant of many things which escape those who dream only by night.
在生活中取得成功的方法是既不要抱怨也不要摸索，而是要尝试。