Although many things have changed over the centuries, the essential aspects of conventions have not. In Bible times, conventioners had to make sacrifices to attend. So do many today.
हालाँकि सदियाँ बीतने पर कई बातें बदल गयी हैं, लेकिन अधिवेशन से जुड़ी कुछ बातें आज भी नहीं बदलीं ।