I have tried to improve telescopes and practiced continually to see with them. These instruments have play'd me so many tricks that I have at last found them out in many of their humours.

The undevout astronomer must be mad.

We need not hesitate to admit that the Sun is richly stored with inhabitants.

I have tried to improve telescopes and practiced continually to see with them. These instruments have play'd me so many tricks that I have at last found them out in many of their humours.

Seeing is in some respect an art, which must be learnt.

By reflecting a little on this subject I am almost convinced that those numberless small Circuses we see on the moon are the works of the Lunarians and may be called their Towns.

That planet has a considerable but moderate atmosphere. So that the inhabitants probably enjoy a situation in many respects similar to ours.