All Matter Originates And Exists Only By

An Indispensable Hypothesis, Even Though Still Far From Being A Guarantee Of Success, Is However The Pursuit Of A Specific Aim, Whose Lighted Beacon, Even By Initial Failures, Is Not Betrayed.

Experiment Is The Only Means Of Knowledge At Our Disposal. Everything Else Is Poetry, Imagination.

Nature Prefers The More Probable States To The Less Probable Because In Nature Processes Take Place In The Direction Of Greater Probability. Heat Goes From A Body At Higher Temperature To A Body At Lower Temperature Because The State Of Equal Temperature Distribution Is More Probable Than A State Of Unequal Temperature Distribution.

Anybody Who Has Been Seriously Engaged In Scientific Work Of Any Kind Realizes That Over The Entrance To The Gates Of The Temple Of Science Are Written The Words: 'ye Must Have Faith.'

A Scientific Truth Does Not Triumph By Convincing Its Opponents And Making Them See The Light, But Rather Because Its Opponents Eventually Die And A New Generation Grows Up That Is Familiar With It.