midnight
But Urania was at hand to comfort him , and his mind became calmer and clearer when we ceased to talk about earthly things , and ascended into high regions of philosophic speculation over which the muse of heaven presides . `` Ah , Camille , '' he exclaimed , `` the Uranian way is the best . It is only by studying the heavens that we shall be able to understand this little earth of ours , and the part we play in it . Look at the midnight sky , streaming with the light of infinite suns , and filled with an unending procession of worlds in which the spirit of life clothes itself in an unimaginable variety of forms . This clot of dust on which we live will grow cold , and break and scatter in the abysses of space . But it is not our home ; we are only passengers , and when our journey here is done , fairer mansions are waiting for us in the depths of the sky . If I die before you , I will return and convince you of this truth . ''