What does Jesus mean when He says 'any man' can eat of this bread?

The phrase 'any man' in John 6:51 highlights the inclusive nature of Jesus' invitation to salvation. It signifies that the offer of eternal life through faith in Him is not limited by one’s past sins or societal status. This is rooted in the Reformed understanding that Christ's sacrifice provides ample grace sufficient for all humanity, despite their specific circumstances. It emphasizes that faith, not works or prior virtue, is the key to receiving the benefits of His sacrifice. Therefore, Jesus encourages all individuals, regardless of their history, to trust in Him for salvation.