With Me, Everything Turns Into Mathematics.

Omnia Apud Me Mathematica Fiunt.

Even If I Were To Suppose That I Was Dreaming And Whatever I Saw Or Imagined Was False, Yet I Could Not Deny That Ideas Were Truly In My Mind.

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.

And Thereby Make Ourselves, As It Were, The Lords And Masters Of Nature.

Situations In Life Often Permit No Delay; And When We Cannot Determine The Course Which Is Certainly Best, We Must Follow The One Which Is Probably The Best. This Frame Of Mind Freed Me Also From The Repentance And Remorse Commonly Felt By Those Vacillating Individuals Who Are Always Seeking As Worthwhile Things Which They Later Judge To Be Bad.