Bhagavad Gita 13.34

यथा प्रकाशयत्येक: कृत्स्नं लोकमिमं रवि: |
क्षेत्रं क्षेत्रि तथा कृत्स्नं प्रकाशयति भारत

Translation

Just as one sun illumines the entire solar system, so does the individual soul illumine the entire body (with consciousness).