From the dissensions among Sects themselves arise necessarily a right of choosing and necessity of deliberating to which we will conform. But if we choose for ourselves, we must allow others to choose also, and so reciprocally, this establishes religious liberty.

Thomas Jefferson (1743-1826) American political philosopher, polymath, statesman, US President (1801-09)

“Notes on Religion” (Oct 1776?)
    (Source)

Labeled by Jefferson "Scraps Early in the Revolution." Modern rendering. Original:

From the dissensions among sects themselves arises necessarily a right of chusing & necessity of deliberating to which we will conform, but if we chuse for ourselves, we must allow others to chuse also, & to reciprocally. This establishes religious liberty.