The word(s) "inflexible" appears 1 time(s) in 1 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) Therefore patiently persevere, as did (all) messengers of inflexible purpose; and be in no haste about the (Unbelievers). On the Day that they see the (Punishment) promised them, (it will be) as if they had not tarried more than an hour in a single day. (Thine but) to proclaim the Message: but shall any be destroyed except those who transgress?