朋友之间的交往产生两种截然相反的结构：一份快乐两人分享，就能变成双份；一份痛苦两人分担，就只剩下一半。
This communicating of a man’s self to his friend works two contrary effects, for it redoubles joys and cuts griefs in half.
心译翻译工作室
英语翻译
