Is it not this that doth cause it unto thee, that thou hast forsaken the LORD thy God, when He led thee by the way?

Tanakh — Yirmyāhû (Jeremiah) 2:17

By this everyone will know that you are my disciples, if you have love for one another."

New Testament — John 13:35

Say: 'Who is he that shall defend you from God, if lie desires evil for you, or desires mercy for you?' They shall find for themselves, apart from God, neither protector nor helper.

Quran — Al-Ahzab (Surah 33) 17