If An Opinion Can Eventually Go To

There Never Was A Sounder Logical Maxim Of Scientific Procedure Than Ockham's Razor: Entia Non Sunt Multiplicanda Praeter Necessitatem. That Is To Say; Before You Try A Complicated Hypothesis, You Should Make Quite Sure That No Simplification Of It Will Explain The Facts Equally Well.

It Is Not Too Much To Say That Next After The Passion To Learn There Is No Quality So Indispensable To The Successful Prosecutionof Science As Imagination. Find Me A People Whose Early Medicine Is Not Mixed Up With Magic And Incantations, And I Will Find You A People Devoid Of All Scientific Ability.

The Truth Is, That Common-sense, Or Thought As It First Emerges Above The Level Of The Narrowly Practical, Is Deeply Imbued With That Bad Logical Quality To Which The Epithet Metaphysical Is Commonly Applied; And Nothing Can Clear It Up But A Severe Course Of Logic.

A Pair Of Statements May Be Taken Conjunctively Or Disjunctively; For Example, "it Lightens And It Thunders ," Is Conjunctive, "it Lightens Or It Thunders" Is Disjunctive. Each Such Individual Act Of Connecting A Pair Of Statements Is A New Monad For The Mathematician .

This Branch Of Mathematics [probability] Is The Only One, I Believe, In Which Good Writers Frequently Get Results Which Are Entirely Erroneous.