Nadabindu Upanishad Verse 21
Sanskrit
आत्मानं सततं ज्ञात्वा कालं नय महामते । प्रारब्धमखिलं भुञ्जन्नोद्वेगं कर्तुमर्हसि ॥ २१॥
K. Narayanasvami Aiyar's Translation
O intelligent man, spend your life always in the knowing of the supreme bliss, enjoying the whole of your prārabdha (that portion of past karma now being enjoyed) without making ally complaint (of it).
Reference: Nadabindu Upanishad

Muni's Play