Translation of the verse 95 from Surah Al-Kahf : Number of verses 110 - - page 303 - Part 16.
He said: "That (wealth, authority and power) in which my Lord had established me is better (than your tribute). So help me with strength (of men), I will erect between you and them a barrier.
He said, "That in which my Lord has established me is better [than what you offer], but assist me with strength; I will make between you and them a dam.
(18:95) He said, "What my Allah has granted me is more than enough. You should help me only with manual labour and I will build a barrier between you and them. *70
*70) That is, "As a ruler it is my duty to protect you from the ravages of your enemies: therefore it is not lawful for me to levy any extra taxes on you for this purpose. The treasury that Allah has placed in my custody, suffices for this purpose. You shall, however, have to help me with your manual labour."