यदादित्यस्य रोहितंरूपं तेजसस्तद्रूपं यच्छुक्लं तदपां यत्कृष्णं तदन्नस्यापागादादित्यादादित्यत्वं वाचारम्भणं विकारो नामधेयं त्रीणि रूपाणीत्येव सत्यम् ॥ ६.४.२ ॥
In plain words
The red form of the sun is the form of heat; the white is that of the waters; the black is that of food. The sun-hood of the sun has gone away: the change is a matter of words only, a name, while the truth is that there are three forms.