For whatsoever some people boast of the antiquity of places and names, or of the pomp of their outward worship; others, of the reformation of their discipline; all, of the orthodoxy of their faith — for everyone is orthodox to himself — these things, and all others of this nature, are much rather marks of men striving for power and empire over one another than of the Church of Christ. Let anyone have never so true a claim to all these things, yet if he be destitute of charity, meekness, and good-will in general towards all mankind, even to those that are not Christians, he is certainly yet short of being a true Christian himself.

John Locke (1632-1704) English philosopher

Letter Concerning Toleration (1689)

http://www.constitution.org/jl/tolerati.htm