Every Man Is Indeed Bound To Do

The Rainbow Is Such A Remarkable Phenomenon Of Nature, And Its Cause Has Been So Meticulously Sought After By Inquiring Minds Throughout The Ages, That I Could Not Choose A More Appropriate Subject For Demonstrating How, With The Method I Am Using, We Can Arrive At Knowledge Not Possessed At All By Those Whose Writings Are Available To Us.

There Is A Little Gland In The Brain In Which The Soul Exercises Its Functions In A More Particular Way Than In The Other Parts.

We Call Infinite That Thing Whose Limits We Have Not Perceived, And So By That Word We Do Not Signify What We Understand About A Thing, But Rather What We Do Not Understand.

Here I Beg You To Observe In Passing That The Scruples That Prevented Ancient Writers From Using Arithmetical Terms In Geometry, And Which Can Only Be A Consequence Of Their Inability To Perceive Clearly The Relation Between These Two Subjects, Introduced Much Obscurity And Confusion Into Their Explanations.

Neither The True Nor The False Roots Are Always Real; Sometimes They Are Imaginary; That Is, While We Can Always Imagine As Many Roots For Each Equation As I Have Assigned, Yet There Is Not Always A Definite Quantity Corresponding To Each Root We Have Imagined.