Your oath should be about something regarding which your companion will believe you. 'Amr said: By which your companion will believe you.
Sahih Muslim Book 27, Hadith 30
← Previous Hadith This hadith has been narrated on the authority of 'Abd al-Rahman b. Samura through another chain of transmitters but there is no mention of the word" authority".

Sahih Muslim Book 27, Hadith 29 Next Hadith → An oath is to be interpreted according to the intention of the one who takes it.

Sahih Muslim Book 27, Hadith 31