न यः संपृच्छे न पुनर्हवीतवे न संवादाय रमते ।
तस्मान्नो अद्य समृतेरुरुष्यतं बाहुभ्यां न उरुष्यतम् ॥
ऋग्वेदः मण्डलं - ८.
He who has no pleasure in questioning, nor in debate, nor in dialogue,
Defend us to-day from him and from his encounter, defend us from his arms.
Rigveda: Mandala - 8.