Blessed are the thirsty, for they alone will be satisfied. Therefore, let me close by trying to create in some and increase in others a thirst for God. Notice in verse 6 that the water of life which God gives is free. To the thirsty I will give water without price . You must be thirsty to get it, but thirst never has been considered a price or a merit by anyone.
Nobody can buy and sell with the currency of thirst.
Thirst is not a work. It's simply another way of describing faith. A sense of emptiness that looks to Christ for filling. He is not bargaining. It is not hard.