Luck Is Tenacity Of Purpose.

Life Is A Checkerboard, And The Player Opposite You Is Time. If You Hesitate Before Moving, Or Neglect To Move Promptly, Your Men Will Be Wiped Off The Board By Time. You Are Playing Against A Partner Who Will Not Tolerate Indecision!

The Sculptor Produces The Beautiful Statue By Chipping Away Such Parts Of The Marble Block As Are Not Needed - It Is A Process Of Elimination.

No Good Sensible Working Bee Listens To The Advice Of A Bedbug On The Subject Of Business.

In The Life Of Darwin By His Son, There Is Related An Incident Of How The Great Naturalist Once Studied Long As To Just What A Certain Spore Was. Finally He Said, "it Is This, For If It Isn't, Then What Is It?" And All During His Life He Was Never Able To Forget That He Had Been Guilty Of This Unscientific Attitude, For Science Is Founded On Certitude, Not Assumption.

Progress Comes From The Intelligent Use Of Experience.