अथोताप्याहुः साम नो बतेति यत्साधु भवति साधु बतेत्येव तदाहुरसाम नो बतेति यदसाधु भवत्यसाधु बतेत्येव तदाहुः ॥ २.१.३ ॥
In plain words
And again they say, "Sāman for us!" when a thing is good, meaning "Good indeed!"; and "Asāman for us!" when a thing is not good, meaning "Not good indeed!"