What does Jesus mean by 'today you will be with me in paradise'?

When Jesus assures the dying thief, 'Today you will be with me in paradise,' He affirms the promise of immediate fellowship with the Lord upon death for believers. This declaration counters the notion of soul sleep, illustrating that the souls of the righteous are instantly present with Christ, enjoying the bliss of His presence. Revelation 21:3 reinforces this hope, indicating that God will dwell personally with His people, wiping away tears and eliminating sorrow and pain. Paradise represents the ultimate restoration and fulfillment of all God’s promises for His people, beginning at their death.