Do Not Promote What You

Do Not Let Yourself Be Tainted With A Barren Skepticism.

To Bring One's Self To Believe In A Truth That Has Just Dawned Upon One Is The First Step Towards Progress; To Persuade Others Is The Second.

You Have Not Succeeded In Your Experiments, That Is All There Is To It.

Virulence Appears In A New Light Which Cannot But Be Alarming To Humanity; Unless Nature, In Her Evolution Down The Ages (an Evolution Which, As We Now Know, Has Been Going On For Millions, Nay, Hundreds Of Millions Of Years), Has Finally Exhausted All The Possibilities Of Producing Virulent Or Contagious Diseases - Which Does Not Seem Very Likely.

Science Proceeds By Successive Answers To Questions More And More Subtle, Coming Nearer And Nearer To The Very Essence Of Phenomena.