A Drop Of Water Is As Powerful

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.

I'd Rather Have An Ape For An Ancestor Than A Bishop.

You May Read Any Quantity Of Books, And You May Almost As Ignorant As You Were At Starting, If You Don't Have, At The Back Of Yourminds, The Change For Words In Definite Images Which Can Only Be Acquired Through The Operation Of Your Observing Faculties On The Phenomena Of Nature.

Of Moral Purpose I See No Trace In Nature. That Is An Article Of Exclusively Human Manufacture And Very Much To Our Credit.

Science Is Simply Common Sense At Its Best, That Is, Rigidly Accurate In Observation, And Merciless To Fallacy In Logic.