The moon, when it appears after its disappearance on the fifteenth day of the dark fortnight, is considered as the same luminary that had become invisible. Similarly despite the changes represented by birth, growth, and age, a person is considered as the same individual without any doubt of his identity.
उत्पत्तिवृद्धिवयसा यथा स इति गृह्यते। चन्द्र एव त्वमावास्यां तथा भवति मूर्तिमान्॥