This little expression, 'It doesn't matter what you believe as long as you're sincere,' is a monstrous lie.
R. C. SproulSeeking God? We have totally revised corporate worship services to be sensitive to "seekers." If worship were to be tailored for seekers, it would be directed exclusively to believers, for no one except believers ever seeks God (Rom. 3:9-12).
R. C. Sproul