CC Madhya 22.38

kṛṣṇa kahe, — ‘āmā bhaje, māge viṣaya-sukha
amṛta chāḍi’ viṣa māge, — ei baḍa mūrkha
Synonyms: 
kṛṣṇa kahe — Kṛṣṇa says; āmā bhaje — he worships Me; māge — but requests; viṣaya-sukha — material happiness; amṛta chāḍi’ — giving up the nectar; viṣa māge — he begs for poison; ei baḍa mūrkha — he is a great fool.
Translation: 
“Kṛṣṇa says, ‘If one engages in My transcendental loving service but at the same time wants the opulence of material enjoyment, he is very, very foolish. Indeed, he is just like a person who gives up ambrosia to drink poison.