The Universe, Wrought For Us By A

Astronomy Is Written For Astronomers

So, Influenced By These Advisors And This Hope, I Have At Length Allowed My Friends To Publish The Work, As They Had Long Besought Me To Do.

Every Light Has Its Shadow, And Every Shadow Hath A Succeeding Morning.

The Universe, Wrought For Us By A Supremely Good And Orderly Creator.

To Know That We Know What We Know, And To Know That We Do Not Know What We Do Not Know, That Is True Knowledge.