Certainly Muhammad never uttered a significant number even of the ahadith that are generally considered sahih, or reliable.
अहिलेसम्मको हाम्रो अभ्यासमा अधिकांश सिँचाइ प्रणालीको व्यवस्थापनमा राज्यप्रणालीको कुनै न कुनै भूमिका रहँदै आएको छ ।