Heaven and earth shall pass away: but my words shall not pass away.
Berean Study Bible (BSB) - Mark 13:31 >Heaven and earth will pass away, but My words will never pass away.
Textus Receptus (TR) - Mark 13:31 >Ὁ οὐρανὸς καὶ ἡ γῆ παρελεύσονται, οἱ δὲ λόγοι μου οὐ μὴ παρέλθωσι.