Al-A'raf (The Heights) - 7:134   

Walamma waqaAAa AAalayhimu alrrijzu qaloo ya moosa odAAu lana rabbaka bima AAahida AAindaka lain kashafta AAanna alrrijza lanuminanna laka walanursilanna maAAaka banee israeela

Topics discussed in this Verse:
[Pharaoh:people of] [Plagues in Egypt]

Every time the penalty fell on them, they said: "O Moses! on your behalf call on thy Lord in virtue of his promise to thee: If thou wilt remove the penalty from us, we shall truly believe in thee, and we shall send away the Children of Israel with thee." - 7:134 (Ali)