Bhagavad Gita 10.23
रुद्राणां शङ्करश्चास्मि वित्तेशो यक्षरक्षसाम्। वसूनां पावकश्चास्मि मेरुः शिखरिणामहम्।।10.23।।
rudrāṇāṃ śaṅkaraścāsmi vitteśo yakṣarakṣasām| vasūnāṃ pāvakaścāsmi meruḥ śikhariṇāmaham||10.23||
rudranam shankarashcasmi vittesho yaksharakshasam vasunam pavakashcasmi meruh shikharinamaham10.23
Meaning
Among the Rudras, He is Shankara (Shiva); among the Yakshas and Rakshasas, He is Kubera; among the Vasus, He is fire; and among mountains, He is Meru.
मैं रुद्रों में शंकर हूँ और यक्ष तथा राक्षसों में धनपति कुबेर हूँ; वसुओं में अग्नि हूँ तथा शिखर वाले पर्वतों में मेरु हूँ।
This is verse 23 of 42 in Chapter 10 (Vibhooti Yoga) of the Bhagavad Gita.