One Man Alone Had Really Known The

There Are Four Great Sciences, Without Which The Other Sciences Cannot Be Known Nor A Knowledge Of Things Secured ... Of These Sciences The Gate And Key Is Mathematics ... He Who Is Ignorant Of This [mathematics] Cannot Know The Other Sciences Nor The Affairs Of This World.

Few Have Attained To Consummate Wisdom In The Perfection Of Philosophy: Solomon Attained To It, And Aristotle In Relation To His Times, And In A Later Age Avicenna, And In Our Own Days The Recently Deceased Robert, Bishop Of Lincoln, And Adam Marsh.

The Conquest Of Learning Is Achieved Through The Knowledge Of Languages.

All Science Requires Mathematics. [editors' Summary Of Bacon's Idea, Not Bacon's Wording.]

But Concerning Vision Alone Is A Separate Science Formed Among Philosophers, Namely, Optics, And Not Concerning Any Other Sense ... It Is Possible That Some Other Science May Be More Useful, But No Other Science Has So Much Sweetness And Beauty Of Utility. Therefore It Is The Flower Of The Whole Of Philosophy And Through It, And Not Without It, Can The Other Sciences Be Known.