This text explores the nature of philosophical progress, taking as its starting point Jan Patočka's assertion that philosophy moves forward by stepping back. The author develops a narrative metaphor of a philosopher attempting to step out of the mud onto a dry, clear path, representing the movement toward clarity and insight. A central problem identified is that every intellectual "step forward" inevitably carries remnants of the "mud"—old habits of thought, errors, and unexamined assumptions—which contaminate the new ground. Consequently, philosophical work requires continuous and repeated reflection to identify and analyze these unintended carry-overs. The essay also highlights a paradoxical dynamic in the history of ideas: original thinkers often fail to fully grasp the significance of their innovations or the "dirt" attached to them. Recognition frequently goes to successors who refine and clean these ideas rather than to the original discoverers. Ultimately, the text argues that philosophical development is a complex process of invention and subsequent purification, where the merits of original discovery and later critical refinement are often unfairly weighted in historical memory.