Science Is Simply Common Sense At Its

A Man Has No Reason To Be Ashamed Of Having An Ape For His Grandfather. If There Were An Ancestor Whom I Should Feel Shame In Recalling It Would Rather Be A Man Who Plunges Into Scientific Questions With Which He Has No Real Acquaintance, Only To Obscure Them By An Aimless Rhetoric.

. . . I Fail To Find A Trace [in Protestantism] Of Any Desire To Set Reason Free. The Most That Can Be Discovered Is A Proposal To Change Masters. From Being A Slave Of The Papacy, The Intellect Was To Become The Serf Of The Bible.

Better Live A Crossing-sweeper Than Die And Be Made To Talk Twaddle By A "medium" Hired At A Guinea A Seance.

The Saying That A Little Knowledge Is A Dangerous Thing Is, To My Mind, A Very Dangerous Adage. If Knowledge Is Real And Genuine, I Do Not Believe That It Is Other Than A Very Valuable Posession, However Infinitesimal Its Quantity May Be. Indeed, If A Little Knowledge Is Dangerous, Where Is A Man Who Has So Much As To Be Out Of Danger?

It Is Wrong For A Man To Say That He Is Certain Of The Objective Truth Of Any Proposition Unless He Can Produce Evidence Which Logically Justifies That Certainty.