The word(s) "therefor" appears 71 time(s) in 70 verse(s) in Quran in Abdullah Yusuf Ali translation.

(21) "So go ye both to him, and say, 'Verily we are messengers sent by thy Lord: Send forth, therefore, the Children of Israel with us, and afflict them not: with a Sign, indeed, have we come from thy Lord! and peace to all who follow guidance!

(22) "therefore concert your plan, and then assemble in (serried) ranks: He wins (all along) today who gains the upper hand."

(23) therefore be patient with what they say, and celebrate (constantly) the praises of thy Lord, before the rising of the sun, and before its setting; yea, celebrate them for part of the hours of the night, and at the sides of the day: that thou mayest have (spiritual) joy.

(24) Say: "Each one (of us) is waiting: wait ye, therefore, and soon shall ye know who it is that is on the straight and even way, and who it is that has received Guidance."

(25) Not a messenger did We send before thee without this inspiration sent by Us to him: that there is no god but I; therefore worship and serve Me.

(26) Verily, this brotherhood of yours is a single brotherhood, and I am your Lord and Cherisher: therefore serve Me (and no other).

(27) Say: "What has come to me by inspiration is that your Allah is One Allah: will ye therefore bow to His Will (in Islam)?"

(28) And verily this Brotherhood of yours is a single Brotherhood, and I am your Lord and Cherisher: therefore fear Me (and no other).

(29) therefore exalted be Allah, the King, the Reality: there is no god but He, the Lord of the Throne of Honour!

(30) If anyone invokes, besides Allah, Any other god, he has no authority therefor; and his reckoning will be only with his Lord! and verily the Unbelievers will fail to win through!