Verse 35

कदाचित्प्रथमं वारि प्रतिष्ठामधिगच्छति ।ततः प्रजायते ब्रह्मा वारिजोऽसौ प्रजापतिः

In plain words

Sometimes water is the first to attain its footing; then Brahmā is born from it, that Prajāpati, born of the waters.