According to Osho, Shandilya speaks of the indescribable to signal that words are only milestones—pointers, not the path. If you clutch his statement, it becomes a stone that breeds sects and stops movement; if you understand and move on, the ‘stone’ turns into a step, lifting vision and leading you beyond doctrines toward living realization.
He used words like signposts so you’d keep walking; they become rocks only if you cling to them instead of stepping past them.