How Do You Know That The Incessant

The Greatest Disorder Of The Mind Is To Let Will Direct It.

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

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

There Is A Time In Every Man's Life When He Looks To His God, When He Looks At His Life, When He Wonders How He Will Be Remembered.

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.'