The Saguna (worship of the personal God) merges into the nirguna (devotion to the impersonal) in the long run.

Devotee:  Saguna upasana (worship of the personal God) is said to be imperfect. It is also said that nirguna upasana (devotion to the impersonal) is hard and risky. I am fit for the former only. What is to be done?

Ramana Maharishi:  The Saguna merges into the nirguna in the long run. The saguna purifies the mind and takes one to the final goal.