> You need to know where something abstract like this is going to follow at all. Indeed, and do remind your audience from time to time about where you're going

> You need to know where something abstract like this is going to follow at all. Indeed, and do remind your audience from time to time about where you're going. Otherwise, your whole line of reasoning might become useless to someone who lost track of the point, or just didn't hear or grasp it the first time you said it.