Exploration by real people inspires us.

In real time, the universe has a beginning and an end at singularities that form a boundary to space-time and at which the laws of science break down.

There is a real danger that computers will develop intelligence and take over.

If what we regard as real depends on our theory, how can we make reality the basis of our philosophy? ...But we cannot distinguish what is real about the universe without a theory...it makes no sense to ask if it corresponds to reality, because we do not know what reality is independent of a theory.