Manusmriti

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महर्षिभिश्च देवैश्च कार्यार्थं शपथाः कृताः । वसिष्ठश्चापि शपथं शेपे पैजवने नृपे ॥ ११० ॥

sanskrit

Both by the great sages and the gods oaths have been taken for the purpose of (deciding doubtful) matters; and Vasishtha even swore an oath before king (Sudas), the son of Pigavana.

english translation

maharSibhizca devaizca kAryArthaM zapathAH kRtAH | vasiSThazcApi zapathaM zepe paijavane nRpe || 110 ||

hk transliteration by Sanscript