yo mam smarati nityasah
tasyaham sulabhah partha
(Attaining the Supreme ,Text 14, Chapter 8)
Meaning: For one who always remembers Me without deviation, I am easy to obtain, O son of Prtha, because of his constant engagement in devotional service.
Bhagavad Gita: I am easy to obtain (Attaining the Supreme,Text 14, Chapter 8)