Matsya Purana — The Strategy to Defeat Tāraka: Pārvatī’s Birth
वेत्सि चैतत्समस्तं त्वं तथापि परिचोदकः निर्वृतिं परमां याति निवेद्यार्थं सुहृज्जने //
vetsi caitatsamastaṃ tvaṃ tathāpi paricodakaḥ nirvṛtiṃ paramāṃ yāti nivedyārthaṃ suhṛjjane //
You already know all this; even so, the one who prompts (you to speak) attains the highest contentment by conveying the matter to a friend and well-wisher.
This verse does not discuss creation or pralaya; it teaches nīti—how a well-wisher gains inner peace by respectfully prompting and communicating truth even to someone already knowledgeable.
For kings and householders, it supports the duty of constructive counsel: a loyal adviser or friend should still speak up for dharma and public good, and such sincere communication brings merit and inner contentment.
No direct vastu or ritual rule is stated; the practical takeaway is procedural—important instructions (including ritual or building guidance elsewhere) should be clearly conveyed by a well-wisher, even if the listener is already learned.