An insight and a Reminder for every slave turning to Allah (i.e.

﴿تَبۡصِرَةٗ وَذِكۡرَىٰ لِكُلِّ عَبۡدٖ مُّنِيبٖ ﴾
[قٓ: 8]

An insight and a Reminder for every slave turning to Allah (i.e. the one who believes in Allah and performs deeds of His obedience, and always begs His pardon)

﴿تبصرة وذكرى لكل عبد منيب﴾ [قٓ: 8]

Ali Bakhtiari Nejad
An observation and a reminder for every repenting servant

Ali Quli Qarai
[In this there is] an insight and admonition for every penitent servant

Ali Unal
(All this is a means of) insight and reminder for every servant (of God) willing to turn to Him in contrition

Hamid S Aziz
As a vision (observation or spectacle) and a reminder to every penitent servant (for his delight or awe and instruction)

John Medows Rodwell
For insight and admonition to every servant who loveth to turn to God

Literal
Clarification/understanding and a reminder/remembrance, to each/every repentant slave/worshipper

Mir Anees Original
(These are sources of) insight and a reminder for every servant who turns (to Allah)