The word(s) "understand" appears 127 time(s) in 127 verse(s) in Quran in Abdullah Yusuf Ali translation.

(61) We have revealed for you (O men!) a book in which is a Message for you: will ye not then understand?

(62) To Solomon We inspired the (right) understanding of the matter: to each (of them) We gave Judgment and Knowledge; it was Our power that made the hills and the birds celebrate Our praises, with David: it was We Who did (all these things).

(63) Seest thou not that Allah sends down rain from the sky, and forthwith the earth becomes clothed with green? for Allah is He Who understands the finest mysteries, and is well-acquainted (with them).

(64) Verily in this there are Signs (for men to understand); (thus) do We try (men).

(65) We would hasten them on in every good? Nay, they do not understand.

(66) It is He Who has created for you (the faculties of) hearing, sight, feeling and understanding: little thanks it is ye give!

(67) It is He Who gives life and death, and to Him (is due) the alternation of Night and Day: will ye not then understand?

(68) It is no fault in the blind nor in one born lame, nor in one afflicted with illness, nor in yourselves, that ye should eat in your own houses, or those of your fathers, or your mothers, or your brothers, or your sisters, or your father's brothers or your father's sisters, or your mother's brothers, or your mother's sisters, or in houses of which the keys are in your possession, or in the house of a sincere friend of yours: there is no blame on you, whether ye eat in company or separately. But if ye enter houses, salute each other - a greeting of blessing and purity as from Allah. Thus does Allah make clear the signs to you: that ye may understand.

(69) Or thinkest thou that most of them listen or understand? They are only like cattle;- nay, they are worse astray in Path.

(70) "Their account is only with my Lord, if ye could (but) understand.