A profound Mantra from Shukla Yajurveda usually chanted at the beginning of any Vidhi. The meaning is humble, and chanting this Mantra also creates positive resonant vibrations.

Source: Shukla-Yajurveda, Kaanva Samhita, Chapter 7, Mantra 25

Mantra

ॐ भद्रं कर्णेभिः शृणुयाम देवा भद्रं पश्येमाक्षभिर्यजत्राः।
स्थिरैरङ्गैस्तुष्टुवाꣳस स्तनूभिर् व्यशेम देवहितं यदायुः॥
ॐ शान्तिः शान्तिः शान्तिः॥

Transliteration:

oṃ bhadraṃ karṇebhiḥ śṛṇuyāma devā bhadraṃ paśyemākṣabhiryajatrāḥ।
sthirairaṅgaistuṣṭuvāꣳsa stanūbhir vyaśema devahitaṃ yadāyuḥ॥
oṃ śāntiḥ śāntiḥ śāntiḥ॥

Hindi Translation:

हे देव, हम अपने कानों से शुभ सुनें, अपनी आँखों से शुभ देखें, स्थिर शरीर से संतोषपूर्ण जीवन जियें, और देवों द्वारा दी गयी आयु उन्हें समर्पित करें।

English Translation:

Om, O Devas, may we, with our ears, hear what is auspicious. O (Devas who are) worthy of worship, may we, with our eyes see what is auspicious. May we spend the lifespan allotted by the Devas praying with a steady (healthy) body.

Om Bhadram Karnebhih - Shanti Mantra Poster