The Sabbath, as a day set apart by God, holds profound significance in the relationship between Him and His people, yet it has often been profaned by Israel through their actions and attitudes. God expresses deep displeasure in Isaiah 1:13-14, where He rejects their Sabbaths and assemblies as iniquity, weary of bearing their vain observances, indicating that their approach to the day was not aligned with His intent. Similarly, in Amos 5:21-22, He despises their feast days and refuses their offerings, showing that even if they observed the correct days on the calendar, their manner of keeping the Sabbath was unacceptable to Him. In Ezekiel 20:10-13, God highlights that He gave His Sabbaths as a sign to identify and sanctify His people, yet Israel rebelled in the wilderness, greatly polluting His Sabbaths, prompting His fury. This profanation is linked to their hearts going after idols, as noted in Ezekiel 20:16, revealing that idolatry underlies Sabbath-breaking, diverting their focus from God to personal pursuits. Ezekiel 20:20-21 further emphasizes that hallowing the Sabbaths serves as a sign of the covenant relationship, but the children of Israel continued to pollute them, showing persistent disregard. Ezekiel 22:8 and 22:26 directly accuse the leadership and priests of profaning His Sabbaths, treating holy things as common and failing to distinguish between the sacred and the profane, thus desecrating the day. Moreover, Ezekiel 23:36-39 describes the extreme vileness of profaning the Sabbath, as Israel engaged in idolatry, even sacrificing their children to idols, and then entered God's sanctuary on the same day to defile it, demonstrating a shocking irreverence. God consistently uses the term "polluted" or "profaned" to describe this treatment of the Sabbath as common, akin to any other day, defiling its sanctity through disrespect and contamination by worldly interests. The profaning of the Sabbath, alongside idolatry, is repeatedly cited as a primary reason for God's judgment and Israel's captivity, underscoring His concern not merely with the day's observance on the calendar, but with the heart and manner in which it is kept. God's desire is for the Sabbath to be a time of holy engagement with Him, and profaning it through irreverence or divided attention severs the intended sign of the unique relationship between Him and His people.