The undevout astronomer must be mad..

Since stars appear to be suns, and suns, according to the common opinion, are bodies that serve to enlighten, warm, and sustain a system of planets, ….

The heavens are now seen to resemble a luxuriant garden, which contains the greatest variety of productions, in different flourishing beds..

We see it [the as-yet unseen, probable new planet, Neptune] as Columbus saw America from the coast of Spain. Its movements have been felt, trembling ….

The phenomena of nature, especially those that fall under the inspection of the astronomer, are to be viewed, not only with the usual attention to fa….

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 fo….

He broke through the barriers of the skies..

I have looked further into space than ever human being did before me. I have observed stars of which the light, it can be proved, must take two milli….

In the fabulous ages of ancient times the appellations of Mercury, Venus, Mars, Jupiter, and Saturn were given to the planets as being the names of t….

The difference of the degrees in which the individuals of a great community enjoy the good things of life has been a theme of declaration and discont….

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

... finding that in [the Moon] there is a provision of light and heat; also in appearance, a soil proper for habitation fully as good as ours, if not….

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 a….

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

I have looked farther into space than ever a human being did before me..