The Only Thing That Can Bring Joy

There Are Two Men In Each One Of Us: The Scientist, He Who Starts With A Clear Field And Desires To Rise To The Knowledge Of Nature Through Observations, Experimentation And Reasoning, And The Man Of Sentiment, The Man Of Belief, The Man Who Mourns His Dead Children, And Who Cannot, Alas, Prove That He Will See Them Again, But Who Believes That He Will, And Lives In The Hope – The Man Who Will Not Die Like A Vibrio, But Who Feels That The Force That Is Within Him Cannot Die.

Preconceived Ideas Are Like Searchlights Which Illumine The Path Of The Experimenter And Serve Him As A Guide To Interrogate Nature. They Become A Danger Only If He Transforms Them Into Fixed Ideas-this Is Why I Should Like To See These Profound Words Inscribed On The Threshold Of All The Temples Of Science: 'the Greatest Derangement Of The Mind Is To Believe In Something Because One Wishes It To Be So.'

The Greeks Understood The Mysterious Power Of The Below Things. They Are The Ones Who Gave Us One Of The Most Beautiful Words In Our Language, The Word Enthusiasm.

Imagination Should Give Wings To Our Thoughts But We Always Need Decisive Experimental Proof, And When The Moment Comes To Draw Conclusions And To Interpret The Gathered Observations, Imagination Must Be Checked And Documented By The Factual Results Of The Experiment.

Never Will The Doctrine Of Spontaneous Generation Recover From The Mortal Blow Struck By This Simple Experiment.