Vaishnava Samhita. Gopinatha Charitam. Vol II Book VI Chp 6 Shloka 18

यमेव वृणुते कृष्णो निर्हेतुककृपानिधिः  |
ब्रह्मादीनां दुर्लभं तत्स प्राप्नोति परं पदम्  || 

That soul which is chosen by Lord Krishna, the ultimate treasure-chest of great mercy, reaches the abode of the Lord, which is not attainable even to the devas like Brahma.