"Heraclius' city, Constantinople, will be conquered."

"Do not curse the wind, for it is from the mercy of Allah. It brings mercy and it brings punishment."

"Do not wish to be like anyone except in two cases: A man whom Allah has given wealth and he spends it righteously; and a man whom Allah has given wisdom and he acts according to it and teaches it to o…"

"On another occasion, again against a Jewish tribe of Medina, he ordered all the tribe's adult males, some nine hundred, beheaded in the city square, the women and children sold into slavery, and their…"

"A strong believer is better and more beloved to Allah than a weak believer."