The word(s) "not" appears 1997 time(s) in 1622 verse(s) in Quran in Muhammad Pickthal translation.

(791) (Such was Our) method in the case of those whom We sent before thee (to mankind), and thou wilt not find for Our method aught of power to change.

(792) Say: Verily, though mankind and the jinn should assemble to produce the like of this Qur'an, they could not produce the like thereof though they were helpers one of another.

(793) And they say: We will not put faith in thee till thou cause a spring to gush forth from the earth for us;

(794) Have they not seen that Allah Who created the heavens and the earth is Able to create the like of them, and hath appointed for them an end whereof there is no doubt? But the wrong-doers refuse aught save disbelief.

(795) Say: Believe therein or believe not, lo! those who were given knowledge before it, when it is read unto them, fall down prostrate on their faces, adoring,

(796) Say (unto mankind): Cry unto Allah, or cry unto the Beneficent, unto whichsoever ye cry (it is the same). His are the most beautiful names. And thou (Muhammad), be not loud-voiced in thy worship nor yet silent therein, but follow a way between.

(797) And say: Praise be to Allah, Who hath not taken unto Himself a son, and Who hath no partner in the Sovereignty, nor hath He any protecting friend through dependence. And magnify Him with all magnificence.

(798) Praise be to Allah Who hath revealed the Scripture unto His slave, and hath not placed therein any crookedness,

(799) Yet it may be, if they believe not in this statement, that thou (Muhammad) wilt torment thy soul with grief over their footsteps.

(800) And thou mightest have seen the sun when it rose move away from their cave to the right, and when it set go past them on the left, and they were in the cleft thereof. That was (one) of the portents of Allah. He whom Allah guideth, he indeed is led aright, and he whom He sendeth astray, for him thou wilt not find a guiding friend.