'Sincere' in the Bible

They sent their disciples to him along with the Herodians. They said, "Teacher, we know that you are sincere and that you teach the way of God truthfully. You don't favor any individual, because you pay no attention to external appearance.

They came and told him, "Teacher, we know that you are sincere. You don't favor any individual, because you pay no attention to external appearance. Rather, you teach the way of God truthfully. Is it lawful to pay taxes to Caesar or not? Should we pay them or shouldn't we?"

So let's keep celebrating the festival, neither with old yeast nor with yeast that is evil and wicked, but with yeast-free bread that is both sincere and true.

However, I am afraid that just as the serpent deceived Eve by its tricks, so your minds may somehow be lured away from sincere and pure devotion to the Messiah.

Slaves, obey your earthly masters in everything, not only while being watched in order to please them, but with a sincere heart, fearing the Lord.

The goal of this instruction is love that flows from a pure heart, from a clear conscience, and from a sincere faith.

I am reminded of your sincere faith, which first existed in your grandmother Lois and your mother Eunice, and I am convinced that this faith also exists in you.

let us continue to come near with sincere hearts in the full assurance that faith provides, because our hearts have been sprinkled clean from a guilty conscience, and our bodies have been washed with pure water.