My Mind Is My Laboratory.

When I'm Judging A Theory, I Ask Myself Whether, If I Were God, I Would Have Arranged The World In Such A Way.

Anyone Who Thinks Science Is Trying To Make Human Life Easier Or More Pleasant Is Utterly Mistaken.

I Never Allow Myself To Become Discouraged Under Any Circumstances. The Three Great Essentials To Achieve Anything Worthwhile Are First, Hard Work, Second, Stick-to-ittiveness, Third, Common Sense.

What Is The Meaning Of Human Life, Or, For That Matter, Of The Life Of Any Creature? To Know The Answer To This Question Means To Be Religious. You Ask: Does It Make Any Sense, Then, To Pose This Question? I Answer: The Man Who Regards His Fellow Creatures As Meaningless Is Not Merely Unhappy But Hardly Fit For Life.

Scientists Believe That Every Occurrence, Including The Affairs Of Human Beings, Is Due To The Laws Of Nature. Therefore A Scientist Cannot Be Inclined To Believe That The Course Of Events Can Be Influenced By Prayer, That Is, By A Supernaturally Manifested Wish.