Paul, in Romans 14, speaks into a church with contested scruples. Receive the one who is weak in faith, he says, not to quarrel over opinions. Some eat; some abstain. Some honour certain days; others do not. The point is not relativism. The point is charity: each belongs to the Lord, and each must act in faith.
Freedom of conscience is fragile. It can be used selfishly, as a cover for pride. It can also be crushed, as though uniformity were the same as unity. Scripture calls us to a better way: resolve where worship is at stake, and generosity where the matter is disputable. In public life that looks like making room without sneering. It means the visible convictions of others need not be treated as a threat by default, even where theological disagreement is profound. Christian steadiness should be confident and peaceable, not defensive and brittle.