Was known to Mordecai - Josephus says that a Jew, named Barnabasus, overheard the plot, told it to Mordecai, Mordecai to Esther, and Esther to the king, in Mordecai's name; and he was registered as the discoverer.

And the thing was known to Mordecai,.... But by what means does not appear; the Jewish writers say (c), these two men were Tarsians, and spoke in the Tarsian language, which they thought Mordecai did not understand; but he, being skilled in languages, overheard them, and understood what they said; but, according to Josephus (d), it was discovered to him by Barnabazus, a servant of one of the chamberlains; the latter Targum says, it was showed unto him by the Holy Ghost:

who told it unto Esther, and Esther certified the king thereof in Mordecai's name; whose name she mentioned, partly as a voucher of the truth of what she reported, and partly to ingratiate Mordecai to the king, that he might be still yet more promoted in due time.

(c) T. Bab. Megillah, fol. 13. 2. Targum prius & Jarchi in loc. (d) Antiqu. l. 11. c. 6. sect. 4.

And the thing was known to Mordecai, who told it unto Esther the queen; and Esther certified the king thereof in Mordecai's name.

2:21-23 Good subjects must not conceal any bad design they know of against the prince, or the public peace. Mordecai was not rewarded at the time, but a remembrance was written. Thus, with respect to those who serve Christ, though their recompence is not till the resurrection of the just, yet an account is kept of their work of faith and labour of love, which God is not unrighteous to forget. The servant of God must be faithful to every trust, and watchful for those who employ him. If he appear to be neglected now, he will be remembered hereafter. None of our actions can be forgotten; even our most secret thoughts are written in lasting registers, Re 20:12.