SB 10.50.12

āyudhāni ca divyāni
 purāṇāni yadṛcchayā
dṛṣṭvā tāni hṛṣīkeśaḥ
 saṅkarṣaṇam athābravīt
Word for word: 
āyudhāni — weapons; ca — and; divyāni — divine; purāṇāni — ancient; yadṛcchayā — automatically; dṛṣṭvā — seeing; tāni — them; hṛṣīkeśaḥ — Lord Kṛṣṇa; saṅkarṣaṇam — to Lord Balarāma; atha — then; abravīt — He spoke.
Translation: 
The Lord’s eternal divine weapons also appeared before Him spontaneously. Seeing these, Śrī Kṛṣṇa, Lord of the senses, addressed Lord Saṅkarṣaṇa.