You are given a sentence in Italian. Your job is to translate the Italian sentence into Farsi.

Ma ho fissato così a lungo la canna di quella pistola che ho visto la luce in fondo al tunnel.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
ولی من مدت زیادی همه اون سختی ها رو به جون خریدم همیشه نور امیدی در ته این جاده تاریک میدیدم.