“Do not intermarry with them. Do not give your daughters to their sons or take them for your sons, for they will turn your children away from following me to serve other gods, and the Lord’s anger will burn against you and quickly destroy you.－Deuteronomy 7: 3-4”. The teaching is traditionally used to set boundaries for Jews in marriage, but it seems to me more like the wisdom of choosing friends. Though they belong to the same order in taxonomy, there is an interesting discourse on the difference between “Turtle” and “Softshell turtle”: The friends of turtles are dragons, phoenixes, and unicorns, which are spiritual beings worshipped in the ancient world; The friends of softshell turtles are fish, shrimps, and crabs, that are items in the seafood market. Friends determine our prospects. We seldom take it seriously when we are young, for having friends with common interests has been our utmost concern. But the fact becomes significant as time goes by. Aspiring friends lead us to become aspiring; Simple friends lead us to become simple. Some say it is the principle of Chinese parents to choose schools for their children. But in fact, the most prestige school has unmotivated kids; the most underprivileged school also has ambitious kids. The key is always what kind of person we want to be. The reverse of the teaching is also true. If we want to attract people with integrity, we must first be someone with integrity; to attract people with aspiration, we must first be someone with aspiration.