需卦上六
水天需 · 周易第 5 卦
上六：入于穴，有不速之客三人来，敬之终吉。
小象传
象曰：不速之客来，敬之终吉。虽不当位，未大失也。
爻位
上六是阴爻居上位，阴居阴位为当位；与三爻相应，一阴一阳为有应。
京房纳甲：戊子（水），六亲为妻财。
此爻变
此爻独动，水天需变为风天小畜（第 9 卦）。对应的易林诗：焦氏易林·需之小畜。
理雅各英译（1882）
The topmost SIX, divided, shows its subject entered into the cavern. (But) there are three guests coming, without being urged, (to his help). If he receive them respectfully, there will be good fortune in the end.
'Guests come unurged (to give their help), and if (the subject of the line) receive them respectfully, there will be good fortune in the end:' - though the occupant and the place are not suited to each other, there has been no great failure (in what has been done).
本卦
水天需（第 5 卦），卦辞：需：有孚，光亨，贞吉。利涉大川。
上一爻：九五
经文依通行本，已与 Chinese Text Project（ctext.org）逐段比对。卦象是研读与自我反思的材料，不作吉凶断语，也不替代医疗、法律、财务等专业意见。