What Is Is What Must Be.

There Are Also Two Kinds Of Truths: Truth Of Reasoning And Truths Of Fact.

All The Different Classes Of Beings Which Taken Together Make Up The Universe Are, In The Ideas Of God Who Knows Distinctly Their Essential Gradations, Only So Many Ordinates Of A Single Curve So Closely United That It Would Be Impossible To Place Others Between Any Two Of Them, Since That Would Imply Disorder And Imperfection. Thus Men Are Linked With The Animals, These With The Plants And These With The Fossils Which In Turn Merge With Those Bodies Which Our Senses And Our Imagination Represent To Us As Absolutely Inanimate.

We Should Like Nature To Go No Further; We Should Like It To Be Finite, Like Our Mind; But This Is To Ignore The Greatness And Majesty Of The Author Of Things.

Our Reasonings Are Grounded Upon Two Great Principles, That Of Contradiction, In Virtue Of Which We Judge False That Which Involves A Contradiction, And True That Which Is Opposed Or Contradictory To The False.

Nothing Is Accomplished All At Once, And It Is One Of My Great Maxims, And One Of The Most Completely Verified, That Nature Makes No Leaps: A Maxim Which I Have Called The Law Of Continuity.