Maybe, I’m going backwards now and don’t even know it…
When the Apollo astronauts were on their way to the moon, they had to constantly check where they were in space. Using navigation optics, they determined their position relative to certain stars. This calculation was done over and over, to make sure they didn’t collide with anything they shouldn’t have collided with… and… to make sure they were going the right way. It let them know how far they’ve gone, and how much further they had to go. Walking on the moon was small potatoes… they had to get there first.
Knowing where you want to go is important. Checking where you are though… that’s even more important.
