Two Truths Cannot Contradict One

I Wish, My Dear Kepler, That We Could Have A Good Laugh Together At The Extraordinary Stupidity Of The Mob. What Do You Think Of The Foremost Philosophers Of This University? In Spite Of My Oft-repeated Efforts And Invitations, They Have Refused, With The Obstinacy Of A Glutted Adder, To Look At The Planets Or The Moon Or My Glass [telescope].

Well, Since Paradoxes Are At Hand, Let Us See How It Might Be Demonstrated That In A Finite Continuous Extension It Is Not Impossible For Infinitely Many Voids To Be Found.

It Seems To Me That It Was Well Said By Madama Serenissima, And Insisted On By Your Reverence, That The Holy Scripture Cannot Err, And That The Decrees Therein Contained Are Absolutely True And Inviolable. But I Should Have In Your Place Added That, Though Scripture Cannot Err, Its Expounders And Interpreters Are Liable To Err In Many Ways; And One Error In Particular Would Be Most Grave And Most Frequent, If We Always Stopped Short At The Literal Signification Of The Words.

It Was Granted To Me Alone To Discover All The New Phenomena In The Sky And Nothing To Anybody Else. This Is The Truth Which Neither Envy Nor Malice Can Supress.

With Regard To Matters Requiring Thought: The Less People Know And Understand About Them, The More Positively They Attempt To Argue Concerning Them.