English meaning
The speaker says, the waters fall in the *rainy season and though these waters all flow towards the root (ie. `all'/knowledge) still, if they do not have the capacity to reach nirgun brahman then, what can they do? *(ie. you say "God has created", but God has not created the `many' people; this world has all been created by the clouds of ignorance and then there were the `many' desires and thoughts/rains and due to objectification, the fruits of past actions get experienced. And as long as objectification remains and one is not able to comprehend that nirgun brahman or even this `all' then, the `many' forms of worship should be maintained. These `many' worships do reach the Self indirectly and they will create a longing for deeper understanding. This `all' will be understood when one understands that it is these desires that maintain this false world of objects and stops blaming God. And when this `all' is understood then only can that brahman be directly realized. Thus everything is in your hands and no other)