Do Not Become Archivists Of Facts. Try

Edible Substances Evoke The Secretion Of Thick, Concentrated Saliva. Why? The Answer, Obviously, Is That This Enables The Mass Of Food To Pass Smoothly Through The Tube Leading From The Mouth Into The Stomach.

While You Are Experimenting, Do Not Remain Content With The Surface Of Things.

As We Have Seen, Bread, And Especially Dry Bread, Evokes Secretion Of Considerably Larger Quantities Of Saliva Than Meat.

Possibilities Are Like The Wings Of Birds; They Allow Man To Soar And To Climb To The Heavens. And Facts Are Like The Atmosphere Against Which Those Wings Must Beat, And Without Which The Soaring Bird Will Surely Plummet Back To Earth.

Do Not Become Archivists Of Facts. Try To Penetrate To The Secret Of Their Occurrence, Persistently Search For The Laws Which Govern Them.