Brilliant Tika to Mantra NO. 26 from "Shree Namratnakhya Stotra", explaining that every bhakta is like individual precious stone for Bhagavan Shree Krishna and that Bhagavan Shree Krishna bears individual (एक-एक - eka-eka) Attitude to each His bhakta.
Mantra NO. 26 is:
भक्तरत्नपरीक्षकाय नमः
bhaktaratnaparIkShakAya namaH
Cited from "SHREE NAMRATNAKHYA STOTRA"
#Shree RaghuNathaLala Rachita#, Sanskrit-Hindi