Utilitarians hold that individual wants cannot be rationally justified. This forces participants to select principles impartially and rationally. But above all they tend to behave rationally and benevolently in their decisions. These values are arbitrarily but rationally selected. It is the ability to think cautiously and rationally to resolve problems. Therefore, allowing them to think rationally on how to solve problems. A common assumption is that players act rationally. It could equally supersede emotions with rationally chosen, deliberate long-term results. And every doctrine must be able to be defended rationally. Attempts to rationally explain belief in deities extend all the way back to ancient Greece. This will determine if the person is able to make a decision rationally or not. Kierkegaard explains that the absurdity of religious truths prevents us from reaching God rationally. Is the dream to be interpreted rationally or superstitiously, as Midwinter does? Sure, there are faults when you stop to think rationally. However, groups performed more rationally than individuals in subsequent rounds.