US-P01.023ab ।US-P01.023cd ॥
In plain words
Like farming and everything of that kind, the Agniṣṭoma is done for a result, so it has to lean on other rites to hold it up. But knowledge — what else does knowledge need?
Close to the Sanskrit
Like ploughing and the rest, because of being for the sake of a result, the Agniṣṭoma, however, would require the reinforcement of other actions; knowledge — what other thing does it require?