If Peter had not failed to catch anything during the night’s fishing (cf. Luke 5:5), he would not have caught anything during the day. And if Paul had not suffered physical blindness (cf. Acts 9:8), he would not have been given spiritual sight. And if Stephen had not been slandered as a blasphemer, he would not have seen the heavens opened and have looked on God (cf. Acts 6:15; 7:56).
St. Mark the Ascetic