St. Valentine's Day started as a lewd, sensual, pagan festival in Rome. Lupercalia is a rite connected with fertility, honoring Venus, the goddess of sex.
In Colossians 2:16 and Galatians 4:9-10, Paul was warning against mixing Gnostic asceticism and pagan customs with the keeping of God's Sabbath and Holy Days.
May Day has become a cardinal day for worshipping demons and the greenery of the earth. It is one of Satan's eight pagan holidays that displace God's Holy Days.
Jeroboam, pragmatic and fearful, established a more convenient idolatrous festival to prevent his people from keeping the real Feast of Tabernacles in Judah.
Satan has provided what appear to be plausible alternatives to Christ's sacrifice for salvation, like service, positive changes, and right thinking.
As High Priest, Christ is putting His people through the paces, tailoring the trials and experiences needed for sanctification and ultimate glorification.
The paradox of Ecclesiastes 7 shows an unrighteous man flourishing and a righteous man suffering. The solution to this conundrum is found in Psalm 73.
The Arnoldists, Albigenses, Cathers, Waldensians, and the Lollards all had Sabbath-keepers in their ranks. Gradual syncretism is a pattern of church history.
The emerging, new paradigm, purpose driven, outcome-based churches emphasize that the ends justify the means, glorifying relativistic human philosophy.
Living faith has its roots in fervently, diligently seeking God and His righteousness with intense desire (like a passionate lover) through habitual prayer.
Satan has been working in the educational system, recognizing that the educator (secular or religious) can do more lasting damage than any other leader.