At that early stage in human history, it is doubtful that swearing to the truthfulness of a matter was a necessary part of the vocabulary that God gave Adam and Eve.
मानवांची निर्मिती झाल्यापासून त्या घटकेपर्यंत, एखाद्या गोष्टीची खातरी देण्याकरता शपथ वाहण्याची कधी गरज पडली असावी असे वाटत नाही.