Putting a tag on “unknowns” (“I don’t know that”) in a course of study, and then continuing on. Allows you to go further. Prevents you from getting bogged down in things you don't know you don't know.
Make a note about it. You'll HAVE to come back to it before you'll know the subject completely.
And if you pass enough of them, even Knowing you don't know, you'll eventually get bogged down. - you just wont know enough about the relationship of the subject. (each of those things you don't know fit in somewhere and when you come across something that Depends on something you don't know you're in double trouble.
So it's definitely NOT a good idea to pass things you don't know, and you WILL have to come back to them, but if you have to pass by them you've GOT to put the 'I don't know what that is' tag on it. Actually writing them down with reference to where they are is the smart thing to do. You surely won't remember where they are later.
There is no defense against persistent good feeling toward, and acceptance of others.
There is a set number of mistakes, and we all make them sooner or later.
"Good Judgement comes from Experience. Experience comes from Bad Judgement" - Will Rogers