Srimad Bhagavatam Canto 11, Chapter 04, Text 01

SB 11.4.1

yani yaniha karmani
 yair yaih svacchanda-janmabhih
cakre karoti karta va
 haris tani bruvantu nah
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
King Nimi said: The Supreme Personality of Godhead descends into the material world by His internal potency and according to His own desire. Therefore, please tell us about the various pastimes Lord Hari has performed in the past, is performing now and will perform in this world in the future in His various incarnations.
Purport by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
In this Fourth Chapter the son of Jayanti, Drumila, will address King Nimi. The forty-eighth verse of the Third Chapter stated, murtyabhimatayatmanah: “One should worship the particular form of the Lord most attractive to oneself.” Similarly it was stated in the previous chapter, stavaih stutva named dharim: “One should bow down to Lord Hari after glorifying Him with prayers.” Thus it is assumed that the worshiper has knowledge of the Supreme Lord’s transcendental qualities and pastimes in order to execute the process of worship previously described. King Nimi, therefore, is eagerly inquiring about the various incarnations of the Supreme Lord so that he can ascertain which particular form of the Supreme Lord is most suitable for his personal worship. It is understood that King Nimi is a Vaisnava, or devotee, who is trying to advance in the transcendental loving service of the Supreme Personality of Godhead.
It is important to note in this regard that the word abhimata-murti, meaning “one’s most desirable form,” does not indicate that one may concoct a form of the Lord by one’s own whim. Advaitam acyutam anadim ananta-rupam. All the forms of the Supreme Lord are anadim, or eternal. Thus there is no question of concocting a form, because such a concoction would be adi, or the origin of the concocted form. Abhimata-murti means that among the eternal forms of the Lord one should select that form which most inspires one’s love for the Supreme Personality of Godhead. Such love cannot be imitated, but it is automatically aroused when one follows the prescribed rules and regulations given by the bona fide spiritual master and submissively hears these descriptions of Srimad-Bhagavatam.
Srimad Bhagavatam Canto 11, Chapter 04, Text 02