Two Truths Cannot Contradict One Another.

When The Moon Is Ninety Degrees Away From The Sun It Sees But Half The Earth Illuminated (the Western Half). For The Other (the Eastern Half) Is Enveloped In Night. Hence The Moon Itself Is Illuminated Less Brightly From The Earth, And As A Result Its Secondary Light Appears Fainter To Us.

In Regard To The Philosophers, If They Be True Philosophers, I.e., Lovers Of Truth, They Should Not Be Irritated That The Earth Moves. Rather, If They Realize That They Have Held A False Belief, They Should Thank Those Have Shown Them The Truth; And If Their Opinion Stands Firm That The Earth Doesn't Move, They Will Have Reason To Boast Than Be Angered.

Nonetheless, It Moves.

It Vexes Me When They Would Constrain Science By The Authority Of The Scriptures, And Yet Do Not Consider Themselves Bound To Answer Reason And Experiment.

Alas! Your Dear Friend And Servant Galileo Has Been For The Last Month Hopelessly Blind; So That This Heaven, This Earth, This Universe, Which I By My Marvelous Discoveries And Clear Demonstrations Had Enlarged A Hundred Thousand Times Beyond The Belief Of The Wise Men Of Bygone Ages, Henceforward For Me Is Shrunk Into Such A Small Space As Is Filled By My Own Bodily Sensations.