The first part of the First Amendment's religion clauses, which prohibits Congress from making any law 'respecting an establishment of religion.' It requires government neutrality toward religion and prevents the creation of an official state church.
From Latin 'stabilire' (to make firm or establish). The clause reflects the Founders' desire to avoid the religious conflicts that plagued Europe, where established churches wielded political power and persecuted dissenters.
The Establishment Clause emerged from a brilliant insight—the best way to protect religion is to keep government out of it entirely! Thomas Jefferson's famous 'wall of separation between church and state' wasn't about hostility to religion but about preventing the government from corrupting faith the way European state churches had done for centuries.
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