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. ↗
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. ↗
You will never stub your toe standing still. The faster you go, the more chance there is of stubbing your toe, but the more chance you have of getting somewhere. ↗