A Theory In Its Day Helps To

One Original Thought Is Worth The Sum Total Of Human Knowledge, Because It Advances The Sum Total Of Human Knowledge By That One Original Thought.

We Are All Shot Through With Enough Motives To Make A Massacre, Any Day Of The Week That We Want To Give Them Their Head.

There Are Three Creative Ideas Which, Each In Its Turn, Have Been Central To Science. They Are The Idea Of Order, The Idea Of Causes, And The Idea Of Chance.

Satire Is Not A Social Dynamite. But It Is A Social Indicator: It Shows That New Men Are Knocking At The Door.

Da Vinci Was As Great A Mechanic And Inventor As Were Newton And His Friends. Yet A Glance At His Notebooks Shows Us That What Fascinated Him About Nature Was Its Variety, Its Infinite Adaptability, The Fitness And The Individuality Of All Its Parts. By Contrast What Made Astronomy A Pleasure To Newton Was Its Unity, Its Singleness, Its Model Of A Nature In Which The Diversified Parts Were Mere Disguises For The Same Blank Atoms.