Mundaka Upanishad 3.7

तस्माच्च देवा बहुधा सम्प्रसूताः साध्या मनुष्याः पशवो वयांसि | प्राणापानौ व्रीहियवौ तपश्च श्रद्धा सत्यं ब्रह्मचर्यं विधिश्च ॥

tasmach cha deva bahudha samprasutah sadhya manushyah pashavo vayamsi | pranapanau vrihi-yavau tapash cha shraddha satyam brahmacharyam vidhish cha ||

From Him also are produced the many gods, the celestials, men, cattle, and birds; the in-breath and out-breath, rice and barley, austerity, faith, truth, celibacy, and the law.

उसी से नाना प्रकार के देवता, साध्य, मनुष्य, पशु, पक्षी, प्राण-अपान, व्रीहि-यव, तप, श्रद्धा, सत्य, ब्रह्मचर्य और विधि — सब उत्पन्न होते हैं।