Mahabharata 12.121.28

अशक्तिः शक्तिरित्येव मानस्तम्भौ व्ययाव्ययौविनयश्च विसर्गश्च कालाकालौ च भारत

aśaktiḥ śaktirityeva mānastambhau vyayāvyayauvinayaśca visargaśca kālākālau ca bhārata

Our plain-language meaning of this verse is waiting for scholar review.