The brain weighs only three pounds, yet it is the most complex object in the solar system.

Impossible is relative.

I realized very early in life what my abilities and limitations were, and foreign languages was definitely one of my limitations. With strenuous effort, I just barely passed my French class at Harvard so I could graduate.

Think of all the nonsense you had to learn in psychology courses. None of which was testable. None of which was measurable. We had behaviorism, Freudian psychology, all of these theories that you learn in psychology. Totally untestable. Now, we can test it, because physics allows us to calculate energy flows in the brain.

Robots may gradually attain a degree of 'self-awareness' and consciousness of their own.

I agree, along with Carl Sagan, that we should eventually become a two planet species. Life is too precious to place on a single planet.

I believe we exist in a multiverse of universes.