Scientists tend to risk theories they admire

I don't think the human race will survive the next thousand years, unless we spread into space. There are too many accidents that can befall life on a single planet. But I'm an optimist. We will reach out to the stars.

Then we shall... be able to take part in the discussion of the question of why it is that we and the universe exist. If we find the answer to that, it would be the ultimate triumph of human reason - for then we would know the mind of God.

It should soon be possible dramatically to increase the intelligence and life span of a few individuals. They and their offspring could become a master race. Evolution pays no regard to social justice. It was not fair on the Neanderthals they were replaced by modern humans.

The media need superheroes in science just as in every sphere of life, but there is really a continuous range of abilities with no clear dividing line.

Do you ever wonder how much deeper the ocean would be without sponges?

thus, in a sense, we are all doomed. even if we stay away from black holes