Deuteronomy 25:17

Remember what Amalek did unto thee on the way, when ye came forth out of Egypt;

Exodus 17:8-16

And Amalek came and fought with Israel in Rephidim.

Numbers 24:20

And he saw Amalek, and took up his parable, and said, Amalek is the first of the nations, but his latter end shall be for destruction.

Numbers 25:17-18

Harass the Midianites, and smite them,

Treasury of Scripture Knowledge

Summary

Remember what Amalek did unto thee by the way, when ye were come forth out of Egypt;

Bible References

General references

Exodus 17:8
And Amalek came and fought with Israel in Rephidim.
Numbers 24:20
And he saw Amalek, and took up his parable, and said, Amalek is the first of the nations, but his latter end shall be for destruction.
Numbers 25:17
Harass the Midianites, and smite them,