To A Clear Eye The Smallest Fact

Creation,' In The Ordinary Sense Of The Word, Is Perfectly Conceivable. I Find No Difficulty In Conceiving That, At Some Former Period, This Universe Was Not In Existence, And That It Made Its Appearance In Six Days (or Instantaneously, If That Is Preferred), In Consequence Of The Volition Of Some Preexisting Being.

Cherish [science], Venerate Her, Follow Her Methods Faithfully ... And The Future Of This People Will Be Greater Than The Past.

The Great Thing In The World Is Not So Much To Seek Happiness As To Earn Peace And Self-respect.

The Ultimate Court Of Appeal Is Observation And Experiment... Not Authority.

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.