Men Are Apt To Be Much More

The Sun-paul Must Consider Only One Thing: What Is The Relation Of This Or That External Reaction Of The Animal To The Phenomena Of The External World?

But Man Has Still Another Powerful Resource: Natural Science With Its Strictly Objective Methods.

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

Never Think That You Already Know All. However Highly You Are Appraised, Always Have The Courage To Say To Yourself-i Am Ignorant.

The Digestive Canal Is In Its Task A Complete Chemical Factory. The Raw Material Passes Through A Long Series Of Institutions In Which It Is Subjected To Certain Mechanical And, Mainly, Chemical Processing, And Then, Through Innumerable Side-streets, It Is Brought Into The Depot Of The Body. Aside From This Basic Series Of Institutions, Along Which The Raw Material Moves, There Is A Series Of Lateral Chemical Manufactories, Which Prepare Certain Reagents For The Appropriate Processing Of The Raw Material.