It Is A Law, That Every Event

Persons Of Genius, It Is True, Are, And Are Always Likely To Be, A Small Minority; But In Order To Have Them, It Is Necessary To Preserve The Soil In Which They Grow.

Each Undervalues That Part Of The Materials Of Thought With Which He Is Not Familiar.

Popular Opinions, On Subjects Not Palpable To Sense, Are Often True, But Seldom Or Never The Whole Truth.

When One's Ideas Are Not Challenged, One's Ability To Defend Them Weakens.

...there Ought To Exist The Fullest Liberty Of Professing And Discussing, As A Matter Of Ethical Conviction, Any Doctrine, However Immoral It May Be Considered.