《易传·象传下·困》
《困卦》的卦象是坎下兑上，为泽中无水之表象，象征困顿；作为君子应该身处穷困而不气馁，为实现自己的志向，不惜牺牲生命。
泽无水，困；君子以致命遂志。入于幽谷，幽不明也。
The hexagram image of Kun Gua is Kan below and Dui above, which is the image of no water in the marsh, symbolizing distress; as a gentleman, he should not be discouraged in poverty, and he should not hesitate to sacrifice his life to achieve his ambitions.