Srimad Bhagavatam Canto 10, Chapter 80, Text 15

SB 10.80.15

sa tan adaya vipragryah
 prayayau dvarakam kila
krsna-sandarsanam mahyam
 katham syad iti cintayan
 
Translation: 
 
Taking the flat rice, the saintly brahmana set off for Dvaraka, all the while wondering “How will I be able to have Krsna’s audience?”
 
Purport: 
 
Among other things, Sudama assumed that the gatekeepers would stop him.
Srimad Bhagavatam Canto 10, Chapter 80, Text 14
Srimad Bhagavatam Canto 10, Chapter 80, Text 16-17