Why are things as they are and not otherwise?

If God himself has waited six thousand years for someone to contemplate his works, my book can wait for a hundred.

Truth is the daughter of time, and I feel no shame in being her midwife.

I am a Lutheran astrologer, I throw away the nonsense and keep the hard kernel.

I had the intention of becoming a theologian...but now I see how God is, by my endeavors, also glorified in astronomy, for 'the heavens declare the glory of God.'

Geometry is one and eternal shining in the mind of God. That share in it accorded to men is one of the reasons that Man is the image of God.

So, Fabricius, I already have this: that the most true path of the planet [Mars] is an ellipse, which Dürer also calls an oval, or certainly so close to an ellipse that the difference is insensible.