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Can may(verb) be interchanged with will in this
O believers! Bow down, prostrate yourselves, worship your Lord, and do ˹what is˺ good so that you may be successful. (22:77)
Although may shows uncertainty while will show certainty, may is interchangeable with will as per Britannica.com:
May (formal + old- fashioned)
used to indicate the reason for something or the purpose of something
Example:We exercise so that we may [=will] be strong and healthy.
This sense of 'may' is one of many:
may 14. [modal verb]
If you do something so that a particular thing may happen, you do it so that there is an opportunity for that thing to happen.
- ...the need for more surgeons so that patients may be treated more quickly.
- The door is shut so that no one may overhear what is said.
[Collins]
'Might' is used in the same way.
'Being obedient to God, positioning yourselves so that He considers it safe to bless you' can be equated with '... and He will bless you' with faith in a righteous and loving God. Of course, books have been written on why there often seems to be a delay, and His choice of how to bless you.
