Mahabharat

siva.sh/mahabharat/vana-parva/126/30

वेदास तं सधनुर्वेदा दिव्यान्य अस्त्राणि चेश्वरम उपतस्थुर महाराज धयात मात्राणि सर्वशः ।। ३-१२६-३० ।।

sanskrit

'Furthermore, O great king, he quickly mastered all sacred knowledge and the divine science of arms, acquiring them through the sheer power of his own mind, without any external assistance.' ।। 3-126-30 ।।

english translation

vedAsa taM sadhanurvedA divyAnya astrANi cezvarama upatasthura mahArAja dhayAta mAtrANi sarvazaH || 3-126-30 ||

hk transliteration by Sanscript