The Rung Of A Ladder Was Never

Science Is Nothing But Trained And Organized Common Sense Differing From The Latter Only As A Veteran May Differ From A Raw Recruit: And Its Methods Differ From Those Of Common Sense Only As Far As The Guardsman's Cut And Thrust Differ From The Manner In Which A Savage Wields His Club.

And You Very Soon Find Out, If You Have Not Found It Out Before, That Patience And Tenacity Of Purpose Are Worth More Than Twice Their Weight Of Cleverness.

Every Great Advance In Natural Knowledge Has Involved The Absolute Rejection Of Authority.

Next To Being Right In This World, The Best Of All Things Is To Be Clearly And Definitely Wrong, Because You Will Come Out Somewhere. If You Go Buzzing About Between Right And Wrong, Vibrating And Fluctuating, You Come Out Nowhere; But If You Are Absolutely And Thoroughly And Persistently Wrong, You Must, Some Of These Days, Have The Extreme Good Fortune Of Knocking Your Head Against A Fact, And That Sets You All Straight Again.

The Man Who Is All Morality And Intellect, Although He May Be Good And Even Great, Is, After All, Only Half A Man.