Change Only Favours Minds That Are Diligently

Where Observation Is Concerned, Chance Favors Only The Prepared Mind.

... By Chance You Will Say, But Chance Only Favors The Mind Which Is Prepared.

The Greatest Malfunction Of Spirit Is To Believe Things.

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

If It Is A Terrifying Thought That Life Is At The Mercy Of The Multiplication Of These Minute Bodies [microbes], It Is A Consoling Hope That Science Will Not Always Remain Powerless Before Such Enemies.