Midrash su Isaia 58:10

We are taught in a Baraitha, R. Maier says: "If a common questioner discusses, 'If your God likes the poor, why then does He not sustain them?' answer him, 'for the purpose of saving us [through the charity] from the punishment of Gehenna.'" The same question did Tarnusruphus ask of R. Akiba: "If your God likes the poor, why then does he not sustain them?" And R. Akiba answered him: "For the purpose of saving us [through the charity] from the punishment of Gehenna." To which Tarnusruphus rejoined: "On the contrary, for this you deserve to be punished with Gehenna; and I will give you a parable from which you will understand why. A frail king who became angry at his slave and put him in prison, announced his desire that nobody should give him either food or drink. In spite of this, a person fed him and gave him drink. When the king becomes aware of it, would the king not be angry at that man? And ye Israelites are called servants, as it is written (Lev. 25, 55) For unto Me are the children of Israel servants." R. Akiba answered: "I will give you another parable, to which my previous answer is to be compared: A frail king became angry with his son, put him in prison, and commanded that nobody should give him either food or drink; in spite of this command, a man fed him and gave him drink. When the king became aware of it, would he not be grateful to this person and even send him a present? And we Israelites are called children, as it is said (Deut. 14, 1) Ye are the children of the Lord," etc. Tarnusruphus, however, said: "You are named children and also servants; i.e., children, when you are doing the Omnipotent's will, and servants when you act against the Omnipotent's will. And you will admit, that now you are acting against His will [since your Temple is destroyed and you are in exile].." R. Akiba answered: "With regard to this, the passage says (Is. 58, 10) Is it not to distribute thy bread to the hungry and the afflicted souls with the members of thy house. The afflicted souls [you will admit] refer to us in our present circumstances, and nevertheless, it says there, Is it not to distribute thy bread to the hungry?"