The word(s) "believe" appears 855 time(s) in 711 verse(s) in Quran in Abdullah Yusuf Ali translation.

(231) Will ye not fight people who violated their oaths, plotted to expel the Messenger, and took the aggressive by being the first (to assault) you? Do ye fear them? Nay, it is Allah Whom ye should more justly fear, if ye believe!

(232) Fight them, and Allah will punish them by your hands, cover them with shame, help you (to victory) over them, heal the breasts of believers,

(233) Or think ye that ye shall be abandoned, as though Allah did not know those among you who strive with might and main, and take none for friends and protectors except Allah, His Messenger, and the (community of) believers? But Allah is well-acquainted with (all) that ye do.

(234) The mosques of Allah shall be visited and maintained by such as believe in Allah and the Last Day, establish regular prayers, and practise regular charity, and fear none (at all) except Allah. It is they who are expected to be on true guidance.

(235) Do ye make the giving of drink to pilgrims, or the maintenance of the Sacred Mosque, equal to (the pious service of) those who believe in Allah and the Last Day, and strive with might and main in the cause of Allah? They are not comparable in the sight of Allah: and Allah guides not those who do wrong.

(236) Those who believe, and suffer exile and strive with might and main, in Allah's cause, with their goods and their persons, have the highest rank in the sight of Allah: they are the people who will achieve (salvation).

(237) O ye who believe! take not for protectors your fathers and your brothers if they love infidelity above Faith: if any of you do so, they do wrong.

(238) But Allah did pour His calm on the Messenger and on the believers, and sent down forces which ye saw not: He punished the Unbelievers; thus doth He reward those without Faith.

(239) O ye who believe! Truly the Pagans are unclean; so let them not, after this year of theirs, approach the Sacred Mosque. And if ye fear poverty, soon will Allah enrich you, if He wills, out of His bounty, for Allah is All-knowing, All-wise.

(240) Fight those who believe not in Allah nor the Last Day, nor hold that forbidden which hath been forbidden by Allah and His Messenger, nor acknowledge the religion of Truth, (even if they are) of the People of the Book, until they pay the Jizya with willing submission, and feel themselves subdued.