ॐ पूर्णमदः पूर्णमिदं पूर्णात्पूर्णमुदच्यते ।
पूर्णस्य पूर्णमादाय पूर्णमेवावशिष्यते ॥
ॐ शान्तिः शान्तिः शान्तिः ॥

(Om pūrṇamadaḥ pūrṇamidaṁ pūrṇātpūrṇamudacyatē. Pūrṇasya pūrṇamādāya pūrṇamēvāvaśiṣyatē. ‘Om śāntiḥ śāntiḥ śāntiḥ. . . . .||)

Meaning:
1: Om, That (Outer World) is Purna (Full with Divine Consciousness); This (Inner World) is also Purna(Full with Divine Consciousness); From Purna is manifested Purna (From the Fullness of Divine Consciousness the World is manifested),
2: Taking Purna from Purna, Purna indeed remains (Because Divine Consciousness is Non-Dual and Infinite),
3: Om, Peace, Peace, Peace.