Think of it like playing DOOM. There are 2 options :
1) something is moving. Quick ! Shoot it !
2) something is not moving. Therefor it must be thinking about moving. Quick ! Shoot it !
Think of it like playing DOOM. There are 2 options :
1) something is moving. Quick ! Shoot it !
2) something is not moving. Therefor it must be thinking about moving. Quick ! Shoot it !