Jesus told His disciples to go into the deep waters and let down their nets for fish.
When they did, their nets were filled up with fish to the point of breaking.
Being fishermen and businessmen, they may have been tempted to start doing business. Think how much they could make!
But God had a different purpose.
The disciples' occupation as fishermen was just a vehicle for God to demonstrate His great power and love. He wasn't blessing them with fish so that they would get excited about fishing. He was blessing them with fish so that they could get their eyes off their fishing and on to the greater call He had for them...