half past six
Light , frivolous conversation , and still more dangerous debate upon religious subjects , without religious feeling , occupied the time , and George felt glad when the evening came , and they started off together to hear a popular preacher , whose merits they had been discussing during the afternoon . On their way thither they passed a large building , into which several people were entering , and as the outside of the place was ornamented with handbills , they paused to read them . They ran thus : -- `` HALL OF SCIENCE . -- A Lecture will be delivered in this Hall on Sunday evening , at half past six , by Professor Martin , on ` The Uses of Reason . ' Young men are cordially invited to attend . `` What is truth ? Search and see . ''