Certitude Is Not The Test Of Certainty.

Science Is The Topography Of Ignorance. From A Few Elevated Points We Triangulate Vast Spaces, Inclosing Infinite Unknown Details. We Cast The Lead, And Draw Up A Little Sand From Abysses We May Never Reach With Our Dredges.

You Hear That Boy Laughing?you Think He's All Fun; But The Angels Laugh, Too, At The Good He Has Done; The Children Laugh Loud As They Troop To His Call, And The Poor Man That Knows Him Laughs Loudest Of All.

I Know Of No Teachers So Powerful And Persuasive As The Little Army Of Specialists. They Carry No Banners, They Beat No Drums; But Where They Are Men Learn That Bustle And Push Are Not The Equals Of Quiet Genius And Serene Mastery.

Nothing Can Be So Perfect While We Possess It As It Will Seem When Remembered.

Young Feller, You Will Never Appreciate The Potentialities Of The English Language Until You Have Heard A Southern Mule Driver Search The Soul Of A Mule.