To solve a problem or to reach a goal, you don't need to know all the answers in advance. But you must have a clear idea of the problem or the goal you want to reach.
Bio: Rutebeuf, a trouvère, was born in the first half of the 13th century, possibly in Champagne ; he was evidently of humble birth, and he was a Parisian by education and residence. His name is nowhere mentioned by his contemporaries.
