We have no meanings for "insoluble enigma" in our records yet.
1 Apart from the cell theory, man is an insoluble enigma to us.
2 Human nature is an insoluble enigma , if this world is its only field.
3 The original color of coach and running-gear was an insoluble enigma .
4 In fact, she throws no light on this insoluble enigma .
5 On all sides it was regarded as an insoluble enigma .
6 Yet if his memory served him truthfully, he was surely face to face with an insoluble enigma .
7 Thus the three versions are developed, the origin and collocation of which appears from every other point of view to be an insoluble enigma .
8 An insoluble enigma the man might be to him, but he would not for that turn back from the task that he had undertaken.
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