Verse Quran
2:78 And there are among them illiterates, who know not the Book, but (see therein their own) desires, and they do nothing but conjecture.
3:154 After (the excitement) of the distress, He sent down calm on a band of you overcome with slumber, while another band was stirred to anxiety by their own feelings, Moved by wrong suspicions of Allah-suspicions due to ignorance. They said: "What affair is this of ours?" Say thou: "Indeed, this affair is wholly Allah's." They hide in their minds what they dare not reveal to thee. They say (to themselves): "If we had had anything to do with this affair, We should not have been in the slaughter here." Say: "Even if you had remained in your homes, those for whom death was decreed would certainly have gone forth to the place of their death"; but (all this was) that Allah might test what is in your breasts and purge what is in your hearts. For Allah knoweth well the secrets of your hearts.
4:157 That they said (in boast), "We killed Christ Jesus the son of Mary, the Messenger of Allah";- but they killed him not, nor crucified him, but so it was made to appear to them, and those who differ therein are full of doubts, with no (certain) knowledge, but only conjecture to follow, for of a surety they killed him not.
6:94 "And behold! ye come to us bare and alone as We created you for the first time: ye have left behind you all (the favours) which We bestowed on you: We see not with you your intercessors whom ye thought to be partners in your affairs: so now all relations between you have been cut off, and your (pet) fancies have left you in the lurch!"
6:116 Wert thou to follow the common run of those on earth, they will lead thee away from the way of Allah. They follow nothing but conjecture: they do nothing but lie.
6:136 Out of what Allah hath produced in abundance in tilth and in cattle, they assigned Him a share: they say, according to their fancies: "This is for Allah, and this" - for our "partners"! but the share of their" partners "reacheth not Allah, whilst the share of Allah reacheth their "partners" ! evil (and unjust) is their assignment!
6:138 And they say that such and such cattle and crops are taboo, and none should eat of them except those whom - so they say - We wish; further, there are cattle forbidden to yoke or burden, and cattle on which, (at slaughter), the name of Allah is not pronounced; - inventions against Allah's name: soon will He requite them for their inventions.
6:148 Those who give partners (to Allah) will say: "If Allah had wished, we should not have given partners to Him nor would our fathers; nor should we have had any taboos." So did their ancestors argue falsely, until they tasted of Our wrath. Say: "Have ye any (certain) knowledge? If so, produce it before us. Ye follow nothing but conjecture: ye do nothing but lie."
10:36 But most of them follow nothing but fancy: truly fancy can be of no avail against truth. Verily Allah is well aware of all that they do.
10:60 And what think those who invent lies against Allah, of the Day of Judgment? Verily Allah is full of bounty to mankind, but most of them are ungrateful.
10:66 Behold! verily to Allah belong all creatures, in the heavens and on earth. What do they follow who worship as His "partners" other than Allah? They follow nothing but fancy, and they do nothing but lie.
24:12 Why did not the believers - men and women - when ye heard of the affair,- put the best construction on it in their own minds and say, "This (charge) is an obvious lie"?
33:10 Behold! they came on you from above you and from below you, and behold, the eyes became dim and the hearts gaped up to the throats, and ye imagined various (vain) thoughts about Allah!
34:20 And on them did Satan prove true his idea, and they followed him, all but a party that believed.
37:87 "Then what is your idea about the Lord of the worlds?"
38:27 Not without purpose did We create heaven and earth and all between! that were the thought of Unbelievers! but woe to the Unbelievers because of the Fire (of Hell)!
41:23 "But this thought of yours which ye did entertain concerning your Lord, hath brought you to destruction, and (now) have ye become of those utterly lost!"
43:20 ("Ah!") they say, "If it had been the will of (Allah) Most Gracious, we should not have worshipped such (deities)!" Of that they have no knowledge! they do nothing but lie!
45:24 And they say: "What is there but our life in this world? We shall die and we live, and nothing but time can destroy us." But of that they have no knowledge: they merely conjecture.
45:32 "And when it was said that the promise of Allah was true, and that the Hour- there was no doubt about its (coming), ye used to say, 'We know not what is the hour: we only think it is an idea, and we have no firm assurance.'"

The Quran's Verse about presumption

psalms, zakah, armour, humiliation, adultery, expose, incapacitate, hunger, justice, kill, man - men, namesake, adam, children of Adam, menstruation, woodborer, folk, testimony - agreement, morality, Ahmad,