Truth, in the matters of religion, is simply the opinion that has survived.
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.  
采矿业必须发展以满足不断变化的世界的需求,否则将被淘汰。
物理学中的每一个发现都是向理解宇宙宏伟设计迈出的一步。
人们并不愚蠢,只是世界很复杂。
The world is changed by your example, not by your opinion.