They may rely on them when conventional morality (or their superego, the Freudian 'ueber-ich') requires it.

Are you thinking, in some foggy stupor, that it's only material values that your morality requires you to sacrifice?

One difference between a moral sacrifice and a religious sacrifice, for example, is that the former is what morality may require on a specific occasion.

According to Tocqueville's America, civilization requires morality and morality requires Christianity.

Various commentators have stated that morality does not require religion as a guide.

"Yet our Constitution, statutes and morality require that we be ruled by the law, not vindictiveness or the advantages of the moment."

Many would argue that morality does indeed require God's existence, and that this is in fact a problem for atheism.

Neither Israeli strategy nor Israeli morality requires a religious sanction.

In Rand's view, morality requires we do not sanction our own victimhood.

Michael Austin draws attention to an objection from autonomy, which argues that morality requires an agent to freely choose which principles they live by.