The duties of men are not clear. They have, again, many exceptions. Guided by many (false) systems, their true nature is sometimes spoiled.
अप्रत्यक्षं बहुद्वारं धर्ममाश्रमवासिनाम्। प्ररूपयन्ति तद्भावमागमैरेव शाश्वतम्॥