In this way, Edwin Hubble worked out the distances to nine different galaxies. We now know that our galaxy is only one of some hundred thousand million that can be seen using modern telescopes, each galaxy itself containing some hundred thousand million stars.

Government works best under the glare of public scrutiny. Absent such scrutiny, abuses occur.

Most sets of values would give rise to universes that, although they might be very beautiful, would contain no one able to wonder at that beauty.

I am just a child who has never grown up. I still keep asking these 'how' and 'why' questions. Occasionally, I find an answer.

The human race shouldn't have all its eggs in one basket, or on one planet. Let's hope we can avoid dropping the basket until we have spread the load.

Children in backseats cause accidents. Accidents in backseats cause children.

It is impossible to imagine a four-dimensional space. I personally find it hard enough to visualize a three-dimensional space!