Namely, we have no right to believe a thing true because everybody says so unless there are good grounds for believing that some one person at least has the means of knowing what is true, and is speaking the truth so far as he knows it. ↗
No one has to learn to spell to talk, right? You see a little kid holding a conversation with an adult. He probably doesn't know the words he's saying, but he knows where to fit them to make what he's thinking logical to what you're saying. ↗