Go into the Royal Exchange in London, a building more respectable than most courts; there you will find deputies from every nation assembled simply to serve mankind. There, the Jew, the Mohammedan, and the Christian negotiate with one another as if they were all of the same religion, and the only heretics are those who declare bankruptcy; there the Presbyterian trusts the Anabaptist, the Anglican accepts the word of the Quaker. Leaving this peaceful and liberal assembly, some go to the synagogue, others go to drink; this one is baptized in a great font in the name of the Father, the Son, and the Holy Spirit; that one has his son circumcised while some Hebrew words that he does not understand are mumbled over him; still others go to their church with their hats on their heads to await the inspiration of God, and all are content.
Were there only one religion in England, despotism would be a threat; were there two, they would be at each other’s throats; but there are thirty, and they live happily and at peace with one another.
Voltaire on commerce and religious tolerance:
From Philosophical Letters: Or, Letters Regarding the English Nation