All Err The More Dangerously Because Each

All Our Reasoning Boils Down To Yielding To Sentiment.

Orthodoxy On One Side Of The Pyrenees May Be Heresy On The Other.

The Best Defense Against Logic Is Ignorance.

There Are Two Equally Dangerous Extremes-to Shut Reason Out, And To Let Nothing Else In.

Force And Not Opinion Is The Queen Of The World; But It Is Opinion That Uses The Force. [fr., La Force Est La Reine Du Monde, Et Non Pas L'opinion; Mais L'opinion Est Celle Qui Use De La Force.]