You might come up with this idea for something and it might sound ridiculous, but you might go out there and start executing on it. You can't judge somebody's character or their idea based upon how stupid it sounds in the beginning because in the beginning, all ideas sound stupid. The end of it is figuring out that an idea wasn't the best idea. But guess what? You're going to know that that idea plus anything else that relates to that for certain principles is not a good idea for you.
Remember those Public Service Announcements that proclaimed, "Knowledge is Power?" Andy Frisella says it's not true. Education is not complete without experience and application. Mere information will do nothing for you. You've got to put it into action.