The word(s) "best" appears 257 time(s) in 234 verse(s) in Quran in Abdullah Yusuf Ali translation.

(151) He said: "My Lord knows best what ye do."

(152) As to thee, the Qur'an is bestowed upon thee from the presence of one who is wise and all-knowing.

(153) And Solomon was David's heir. He said: "O ye people! We have been taught the speech of birds, and on us has been bestowed (a little) of all things: this is indeed Grace manifest (from Allah.)"

(154) So he smiled, amused at her speech; and he said: "O my Lord! so order me that I may be grateful for Thy favours, which thou hast bestowed on me and on my parents, and that I may work the righteousness that will please Thee: And admit me, by Thy Grace, to the ranks of Thy righteous Servants."

(155) So when she arrived, she was asked, "Is this thy throne?" She said, "It was just like this; and knowledge was bestowed on us in advance of this, and we have submitted to Allah (in Islam)."

(156) When he reached full age, and was firmly established (in life), We bestowed on him wisdom and knowledge: for thus do We reward those who do good.

(157) He said: "O my Lord! For that Thou hast bestowed Thy Grace on me, never shall I be a help to those who sin!"

(158) Said one of the (damsels): "O my (dear) father! engage him on wages: truly the best of men for thee to employ is the (man) who is strong and trusty"....

(159) Moses said: "My Lord knows best who it is that comes with guidance from Him and whose end will be best in the Hereafter: certain it is that the wrong-doers will not prosper."

(160) It is true thou wilt not be able to guide every one, whom thou lovest; but Allah guides those whom He will and He knows best those who receive guidance.