Let us push on Prabhupadas program Prabhupadas movement spreading the holy name and Bhagvatam knowledge based on Bhagvatam this will spread the truth and whole world would be benefitted and this is the topmost welfare work.
One could become conqueror of the 3 worlds, first private victory then other victories. Private personal victory is becoming victorious by conquering the mind that is first victory. Then mind is not conquered all victories are futile or all victories are defeat only if the mind is not conquered.
You could be personal with the holy name because holy name is Lord himself, you could reveal your heart to be holy name and holy name is very kind, could listen to your sincere prayers.
In Kaliyug, Krishna has come in the form of the holy name. Thus, we can be personal with the holy name because holy name is Lord Himself. We can reveal our heart to the holy name and holy name is very kind, it reverts to our sincere prayers.