What does it mean that Christ's words will never pass away?

In Luke 21:33, Jesus states, 'Heaven and earth shall pass away, but my words shall never pass away.' This powerful statement affirms the eternal nature of Christ's teachings and promises. Unlike worldly things that may fade or fail, the truths found in Christ's words are constant and reliable, offering a foundation upon which believers can stand firm. In times of turmoil or uncertainty, recalling the permanence of His promises reminds us of His sovereignty and faithfulness, serving as a guiding light through life's challenges when everything else seems to crumble.