Knowing is not understanding. There is a great difference between knowing and understanding: you can know a lot about something and not really understand it. ↗
Keep on going and the chances are you will stumble on something, perhaps when you are least expecting it. I have never heard of anyone stumbling on something sitting down. ↗
My definition of an educated man is the fellow who knows the right thing to do at the time it has to be done. You can be sincere and still be stupid. ↗