Esther 9:31

to establish these days of Purim at their appointed times, just as Mordecai the Jew and Queen Esther had imposed, and just as they had imposed on themselves and their offspring regulations of the fast and their lament.

Esther 4:3

In every province [each] place where the king's edict and his law came, there [was] great mourning for the Jews with fasting, crying, wailing, [and] sackcloth; and ashes were spread out as a bed for them.

Esther 4:16

"Go, gather all the Jews that are found in Susa and fast for me; do not eat or drink [for] three days, both night and day. I and my young girls will fast likewise, and then I will go to the king, which [is] not according to the law; if I perish, I perish.

Jonah 3:2-9

"Get up! Go to Nineveh, the great city, and proclaim to it the message that I [am] telling you."

Treasury of Scripture Knowledge

Summary

Esther 9:31

To confirm these days of Purim in their times appointed, according as Mordecai the Jew and Esther the queen had enjoined them, and as they had decreed for themselves and for their seed, the matters of the fastings and their cry.

And for their seed

Esther 9:27

The fastings

Esther 4:3

Jonah 3:2

Bible References

And for their seed

the Jews established and adopted [it] for themselves and for their offspring, and for all who joined them. They did not neglect {to observe} these two days every year as it was written and appointed to them.

The fastings

"Get up! Go to Nineveh, the great city, and proclaim to it the message that I [am] telling you."