अथोताप्याहु साम नो बतेति यत्साधु भवति साधु बतेत्येव तदाहुरसाम नो बतेति यदसाधु भवत्यसाधु बतेत्येव तदाहुः ॥ ३ ॥
In plain words
And further, people say: 'It is our good fortune indeed' when something turns out well, saying simply 'It is good.' And they say: 'It is our misfortune' when something turns out poorly, saying simply 'It is not good.'
Close to the Sanskrit
And furthermore they also say: 'It is a sāman for us, alas,' when something turns out good, they say precisely 'It is good, alas.' 'It is not a sāman for us, alas,' when something turns out not good, they say precisely 'It is not good, alas.'