“Heaven and earth will pass away, but my words will never pass away.” (Mark 13:31)

“Heaven and earth” refers to the created, and all created beings will face their end.  Jesus Christ, as the Word of God, as well as the second Person of the Trinity, will exist forever.  Since human beings were made according to God’s image, they may also enjoy eternal life.  Thus, Jesus always reminds us, “Be careful, or your hearts will be weighed down with dissipation, drunkenness and the anxieties of life, and that day will close on you unexpectedly like a trap.” (Luke 21:34).

As the Heaven and earth pass away, the Son of Man will come in glory.  This is also the judgment day for all mankind.  However, according to Matthew, we’ll be judged on whether or not we have carried out acts of charity to our neighbors, just like we would to Jesus. 

All will come to pass.  Only “love” remains.