Mahabharata 12.192.69
यतो धर्मस्ततः सत्यं सर्वं सत्येन वर्धतेकिमर्थमनृतं कर्म कर्तुं राजंस्त्वमिच्छसि
yato dharmastataḥ satyaṃ sarvaṃ satyena vardhatekimarthamanṛtaṃ karma kartuṃ rājaṃstvamicchasi
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book