Caitanya-caritāmṛta 24.93
ajā-gala-stana-nyāya anya sādhana ataeva hari bhaje buddhimān jana
[ajaa-gala-stana-nyaaya anya saadhana ataeva hari bhaje buddhimaan jana]
Blended reading (Sanskrit + English inline)
ajā-gala-stana-nyāya anya sādhana ataeva hari bhaje buddhimān jana
“With the exception of devotional service, all the methods of self-realization are like the nipples on the neck of a goat. Therefore an intelligent person adopts only devotional service, giving up all other processes of self-realization.
Purport
Without devotional service, other methods for self-realization and spiritual life are useless. Other methods cannot produce good results at any time, and therefore they are compared to the nipples on the neck of a goat. These nipples cannot produce milk, although it may appear that they can. An unintelligent person cannot understand that only devotional service can elevate one to the transcendental position.
— A.C. Bhaktivedanta Swami Prabhupāda
My note
Source: vedabase.io