General Uranometric Directory (Directorium Generale Uranometricum)

...it can be made to shimmer with such clear light, by the use of suspended mirrors and truly admirable skill, as the torches placed before them cast their gathered light. This display emulates the brightness of day and seems to equal the midday sun itself. Who would not see that your own brilliance—shining from all of you as if from so many theatrical mirrors of Justice, Prudence, Magnanimity, and Wisdom—has similarly illuminated the Republic of Letters The "Republic of Letters" was the international intellectual community of scholars and writers during the Renaissance and Enlightenment., the parent of all studies? Even if it shone with no other light, it would seem to equal the light of Phoebus original: "Phoebeum". A common name for the Sun in classical literature, referring to the Greek god Apollo. by this alone.

Therefore, I predict and pray for such light for these modest lucubrations original: "lucubratiunculis". This term refers to scholarly work produced by candlelight during late-night study. of mine. When this Doctrine, whose duty is to examine celestial things, flies toward Heaven on light wings, it may shine to the whole world among the many glowing stars. Though it lacks its own light, it will be irradiated by your splendor. If I obtain this from your kindness, and if you do not disdain these fruits such as they are, I will soon bring others into the open. These other works have already reached maturity despite my modest means, though they currently lie hidden under a veil. Strengthened by your generosity, I will apply myself with all possible care so that other more select and bright works may arise daily, like green branches. Farewell, and may you live long and happy lives.

TO YOUR MOST ILLUSTRIOUS LORDSHIPS,