यथा प्रकाशयत्येकः कृत्स्नं लोकमिमं रविः ।क्षेत्रं क्षेत्री तथा कृत्स्नं प्रकाशयति भारत ॥
In plain words
Just as the single sun lights up this entire world, so the Knower of the field lights up the entire field, Arjuna.
Close to the Sanskrit
Just as the single sun illuminates this entire world, so the knower of the field illuminates the entire field, O Bhārata.