Generality Is, Indeed, An Indispensable Ingredient Of

Whenever A Man Acts Purposively, He Acts Under A Belief In Some Experimental Phenomenon. Consequently, The Sum Of The Experimental Phenomena That A Proposition Implies Makes Up Its Entire Bearing Upon Human Conduct.

It Is A Common Observation That A Science First Begins To Be Exact When It Is Quantitatively Treated. What Are Called The Exact Sciences Are No Others Than The Mathematical Ones.

To Suppose Universal Laws Of Nature Capable Of Being Apprehended By The Mind And Yet Having No Reason For Their Special Forms, But Standing Inexplicable And Irrational, Is Hardly A Justifiable Position. Uniformities Are Precisely The Sort Of Facts That Need To Be Accounted For. Law Is Par Excellence The Thing That Wants A Reason. Now The Only Possible Way Of Accounting For The Laws Of Nature, And For Uniformity In General, Is To Suppose Them Results Of Evolution.

When An Image Is Said To Be Singular, It Is Meant That It Is Absolutely Determinate In All Respects. Every Possible Character, Or The Negative Thereof, Must Be True Of Such An Image.

Bad Reasoning As Well As Good Reasoning Is Possible; And This Fact Is The Foundation Of The Practical Side Of Logic.