谁能帮我解释一下elie wiesel 的这句名言 -

谁能帮我解释一下elie wiesel 的这句名言 -
I have learned two lessons in my life:first,there are no sufficient literary,psychological,or historical answers to human tragedy,only moral ones.Second,just as despair can come to one another only from other human beings,hope,too,can be given to one only by other human beings." -Elie Wiesel