有人居住的世界的边界是由人类知识的极限决定的。
众人的好恶容易察明,但自身的缺点好恶则不易发现。
我不是为读者写作;我是为自己写作。
And I urge you to please notice when you are happy, and exclaim or murmur or think at some point, 'If this isn't nice, I don't know what is.'