Voltaire

There are no sects in geometry. One does not speak of a Euclidean, an Archimedean. When the truth is evident, it is impossible for parties and factions to arise.... Well, to what dogma do all minds agree?

John Adams

Twenty times in the course of my late reading have I been upon the point of breaking out, 'This would be the best of all possible worlds, if there were no religion in it!'

Benjamin Franklin

A man compounded of law and gospel is able to cheat a whole country with his religion and then destroy them under color of law.

James Madison

Religious bondage shackles and debilitates the mind and unfits it for every noble enterprize.