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