Feeling Alone Guides The Mind.

The Investigator Should Have A Robust Faith - And Yet Not Believe.

The Great Experimental Principle, Then, Is Doubt, That Philosophic Doubt Which Leaves To The Mind Its Freedom And Initiative, And From Which The Virtues Most Valuable To Investigators In Physiology And Medicine Are Derived.

Science Does Not Permit Exceptions.

We Achieve More Than We Know. We Know More Than We Understand. We Understand More Than We Can Explain.

Now, A Living Organism Is Nothing But A Wonderful Machine Endowed With The Most Marvellous Properties And Set Going By Means Of The Most Complex And Delicate Mechanism.