Grace is not only in the New Testament: the OT speaks of God's undeserved favour (ḥen, ḥesed); the NT reveals its climax in Christ.
Several religions emerged in the 19th–20th centuries: LDS (1830), Baha'i (1863), Jehovah's Witnesses (1870s), Scientology (1950s), and others.
Sacramental confession exists mainly in Catholicism and Orthodoxy; most Protestants, Jews, and Muslims confess or repent directly to God.
Religions choose different days for worship: Saturday (Judaism, Seventh-day Adventists), Sunday (most Christians), Friday (Islam).
The OT prescribed capital punishment for some sins; the NT emphasizes repentance, forgiveness, and church discipline.
Orthodox Judaism restricts technology on Shabbat; most Christians and Muslims use it freely on their holy day.
The number of Bible books varies by canon: 66, 73, 76–81, or 24 depending on the tradition.
A full look at biblical money management, stewardship, and a key parable about faithful administration.
A sober look at Davids failures in parenting and the consequences for his family and kingdom.
A clear look at biblical apocalypse, the call to vigilance, and why the end date remains unknown.