14:4 We did not send any messenger except in the language of his people, so he may proclaim to them.

 33:44 Their greeting the day they meet Him is: "Peace" and He has prepared for them a generous recompense

51:25 When they entered upon him, they said, "Peace." He said, "Peace to a people unknown!"

As a greeting and goodbye:

1. Aloha 

Hawaiian - love, affection, peace, compassion and mercy. [1] [2]

2.  Annyeong  안녕

Korean - peace, tranquility, wellness. [3]

3. Shalom, Salam, S-L-M

Semetic - peace, well-being, safety. [4]

Greetings:

5. Hail

English - good health, healthy, whole. [5]

6. Salute

English - pay respects, wish health to, good health. [6]

7. Welcome

English - one whose coming is pleasant, a welcome person or thing, a guest. [7]

Farewells and goodbye's:

7. Peace

English - tranquility, quiet, and harmony; absence of violence. [8]

8. Goodbye 

English - God be with ye. [9]

9. Farewell 

English -  A wish of happiness or safety at parting, especially a permanent departure. [10]

10. Adios, Adieu, Addido*

Spanish, French, Italian* (negative connotation) - to God, I commend you to God. [11][12][13]

11.  sayonara さよなら

Japanese - “if that's the way it is” [14]

Peaceful Submission:

10. Ciao*

Italian -  "I am your slave",  "at your service". [15]

11. Namaste*

Sanskrit - Literally "I bow to you"; used as a greeting or acknowledgement of the equality of all, which pays honor to the sacredness of all. [16]

*The devil did not namaste or ciao the human being. 

7:10 We granted you dominion on earth, and made for you in it a habitat; little do you give thanks!
7:11 We created you, We shaped you, and then We said to the angels: "Submit to Adam;" so they submitted except for Satan, he was not of those who submitted.
7:12 He said, "What has prevented you from submitting when I have ordered you?" He said, "I am better than him, You created me from fire and created him from clay!"
7:13 He said, "Descend from it, it is not for you to be arrogant here; depart, for you are disgraced."  

*All that is in the heavens and in the earth, committed to us by the grace of The God

45:13 He committed in your service all that is in the heavens and in the earth; all from Him. In that are signs for a people who reflect.
45:14 Say to those who acknowledged: they should forgive those who do not look forward to the days of God. He will fully recompense people for whatever they have earned. 

Praise and Glory be to The God! 

A thousand greetings of peace.

Aloha, World. 

Aloha, Blockchain. 

Aloha, Steemit.

Peace to a people unknown!