First, Matthew effect
There is such a story in "New Testa Matthew". Before a king, he handed over to three servants. Everyone was a silver, told them: "You go to do business, wait for me to come back, come see me again." When the king came back, the first servant said: "The master, you will give us a ingot, I have earned 10 ingots." So the king rewards him 10 city. The second servant report: "Master,
