Before ascending to the Father, Jesus sends the disciples out to preach and addresses them with parting words. He calls them to proclaim the good news to the whole world, to "all creation," and after this He lists the miracles that are to accompany those who believe. These signs of divine presence look simply fantastic, and there is a strong temptation to understand them figuratively rather than literally. Yet in the last verses of this chapter Mark clearly says that their preaching was carried out with "the word confirmed by the signs that followed."
How often we preach only with words, retelling Gospel truths, but do not embody them in our own lives. The Savior warns us against this before His Ascension, insisting that words must be accompanied by signs. Of course, our faith is not as strong as the apostles' faith was, and we cannot heal the sick with our own shadow, as Peter did. What we can do is only to trust that the Lord Himself will work a miracle, and according to our strength to try to relieve our neighbor's suffering. This will be a real sign of our living faith.
