That was theory and practice. There is more than one way to drop a bomb but only one way to heaven. Once you've got it, you've got it. It's the "ever learning, never able to come to the knowledge of the truth" people you want to stay away from, in either flying or Bible matters.<quoted text>
I guess you read your Bombing 101 book by yourself and nobody had to teach you anything. No instruction necessary.
Which is also why you must always study and never take another fallible man's word for anything.