The robot had no feelings, only positronic surges that mimicked those feelings. (And perhaps human beings had no feelings, only neuronic surges that were interpreted as feelings.)
The danger of the past was that men became slaves. The danger of the future is that men may become robots.
Let’s start with the three fundamental Rules of Robotics – the three rules that are built most deeply into a robot’s positronic brain. We have: One, a robot may not injure a human being, or, through inaction, allow a human being to come to harm. Two, a robot must obey the orders given it by human beings except where such orders would conflict with the First Law. And three, a robot must protect its own existence as long as such protection does not conflict with the First or Second Laws.