Sahih Muslim
1653.01

Abu Haraira reported Allah's Messenger (ﷺ) as saying:Your oath should be about something regarding which your companion will believe you. 'Amr said: By which your companion will believe you

1653.02

Abu Huraira reported Allah's Messenger (ﷺ) as saying:An oath is to be interpreted according to the intention of the one who takes it