Character of the Unrenewed Heart: Uncircumcised
Source: TTT
Leviticus 26:41
and I acted with hostility toward them and brought them into the land of their enemies—and if their uncircumcised hearts will be humbled and they will make amends for their iniquity,
Acts 7:51
You stiff-necked people with uncircumcised hearts and ears! You always resist the Holy Spirit, just as your fathers did.