What does the Bible say about leaving your first love?

In Revelation 2:4, the church in Ephesus is admonished for leaving their first love, which signifies their initial fervor and devotion to the Lord Jesus Christ. This verse serves as a critical warning, emphasizing that even strong works, patience, and endurance are meaningless if one's heart is not centered on Christ. The essence of our faith rests in the love of God, which should continually draw us back to Christ, our Savior. When we lose sight of that first love, all our efforts become vanity, lacking the righteousness and acceptance that only comes through Christ. For Christians, it's vital to constantly remember the grace given to us and to seek a resurgence in our relationship with Christ, acknowledging His unwavering love toward us.