CC Madhya 8.156
tvayy ekā sarva-saṁśraye
tvayi no guṇa-varjite
hlādinī — that which generates pleasure; sandhinī — the potency of existence; samvit — the potency of knowledge; tvayi — unto You; ekā — principal internal potency; sarva-saṁśraye — You are the reservoir of all potencies; hlāda — pleasure; tāpa-karī — generator of pains; miśrā — mixed; tvayi — unto You; na u — never; guṇa-varjite — You, the transcendence, the Supreme Personality of Godhead.
“ ‘My dear Lord, You are the transcendental reservoir of all transcendental qualities. Your pleasure potency, existence potency and knowledge potency are actually all one internal spiritual potency. The conditioned soul, although actually spiritual, sometimes experiences pleasure, sometimes pain and sometimes a mixture of pain and pleasure. This is due to his being touched by matter. But because You are above all material qualities, these are not found in You. Your superior spiritual potency is completely transcendental, and for You there is no such thing as relative pleasure, pleasure mixed with pain, or pain itself.’
This is a quotation from the Viṣṇu Purāṇa (1.12.69).