If man were relieved of all superstition, and all prejudice, and had replaced these with a keen sensitivity to his real environment, and moreover had achieved a level of communication so simplified that one syllable could express his every thought, then he would have achieved the level of intelligence already achieved by his dog.
You can't be everybody's friend, you can't save the world, I learned this word: self-preservation. Once you do that, you can be friends with people, but how would you be a friend to anybody if you're not a friend to yourself.