This innocent, infantile inclination to acknowledge only the positive may be a protective mechanism designed to build up our morale as a bulwark against difficulties ahead.

• 这种只愿意承认童年时光美好的天真幼稚的倾向，或许是人类一种自我保护的机制，人们用它来建起一道壁垒，防御未来道路上的种种困难。