Shiva Purana
मिथुनप्रभवामेव कृत्वा सृष्टिमतः परम् ॥ संवर्द्धयितुमिच्छामि सर्वा एव मम प्रजाः ॥ १७ ॥
Hereafter I wish to make all my subjects flourish by making the creation originate from pairs.
english translation
mithunaprabhavAmeva kRtvA sRSTimataH param ॥ saMvarddhayitumicchAmi sarvA eva mama prajAH ॥ 17 ॥
hk transliteration by Sanscript