Continuing brings regret. Take a close look at your desires; perhaps they are inappropriate. The image is one of a hunter stalking a deer in a strange forest. Because he failed to bring along a guide, the hunter becomes lost. The wise person foresees difficulties, knows it would be foolish to continue alone, and gives up the chase before becoming hopelessly lost.
Standing at a cliff's edge, it is better to give up the dream of flying than to give in to it and crash on the rocks.