Manava Dharmashastra 4.237

4.237

pūrvasya pratiṣedhasyārthavādo'yam | anṛtena hetunā yajñaḥ kṣarati sravati niṣphalo bhavati | yadarthaṃ kṛtaṃ tanna sampadyate | evaṃ sarvatra |

Medhātithi’s commentary (manubhāṣya):
This is supplementary to the foregoing Prohibition. By reason of ‘falsehood,’ ‘the sacrifice trickles away’—i e., becomes fruitless; the purpose for which it was performed is not accomplished. Similarly, throughout the verse.—(237)