坎卦六三
坎为水 · 周易第 29 卦
六三：来之坎坎，险且枕，入于坎窞，勿用。
小象传
象曰：来之坎坎，终无功也。
爻位
六三是阴爻居三位，阴居阳位为不当位；与上爻相应，同为阴爻为无应。
京房纳甲：戊午（火），六亲为妻财，为应爻。
此爻变
此爻独动，坎为水变为水风井（第 48 卦）。对应的易林诗：焦氏易林·坎之井。
理雅各英译（1882）
The third SIX, divided, shows its subject, whether he comes or goes ( =descends or ascends), confronted by a defile. All is peril to him and unrest. (His endeavours) will lead him into the cavern of the pit. There should be no action (in such a case).
'Whether he comes or goes, he is confronted by a defile:' - he will never (in such circumstances) achieve any success.
本卦
坎为水（第 29 卦），卦辞：坎：习坎，有孚，维心亨，行有尚。
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。