Thou art My lamp and My light is in thee — Bahá’u’lláh
O Son of Being! Thou art My lamp and My light is in thee. Get thou from it thy radiance and seek none other than Me. For I have created thee rich and have bountifully shed My favor upon thee.

Bahá’u’lláh

The Hidden Words, Part One (Arabic), No. 11

Bahá’í Reference Library