Some Experience Of Popular Lecturing Had Convinced

My Reflection, When I First Made Myself Master Of The Central Idea Of The 'origin', Was, 'how Extremely Stupid Not To Have Thought Of That!'

Mathematics May Be Compared To A Mill Of Exquisite Workmanship, Which Grinds You Stuff Of Any Degree Of Fineness; But, Nevertheless, What You Get Out Depends Upon What You Put In; And As The Grandest Mill In The World Will Not Extract Wheat-flour From Peascods, So Pages Of Formulae Will Not Get A Definite Result Out Of Loose Data.

The Only Question Which Any Wise Man Can Ask Himself, And Which Any Honest Man Will Ask Himself, Is Whether A Doctrine Is True Or False.

Better Live A Crossing-sweeper Than Die And Be Made To Talk Twaddle By A "medium" Hired At A Guinea A Seance.

Cosmic Evolution May Teach Us How The Good And Evil Tendencies Of Man May Have Come About; But, In Itself, It Is Incompetent To Furnish Any Better Reason Why What We Call Good Is Preferable To What We Call Evil Than We Had Before. Some Day, I Doubt Not, We Shall Arrive At An Understanding Of The Evolution Of The Aesthetic Faculty; But All The Understanding In The World Will Neither Increase Nor Diminish The Force Of The Intuition That This Is Beautiful And That Is Ugly.