KJV : And <2532> when <3753> the seven <2033> thunders <1027> had uttered <2980> (5656) their <1438> voices <5456>, I was about <3195> (5707) to write <1125> (5721): and <2532> I heard <191> (5656) a voice <5456> from <1537> heaven <3772> saying <3004> (5723) unto me <3427>, Seal up <4972> (5657) those things which <3739> the seven <2033> thunders <1027> uttered <2980> (5656), and <2532> write <1125> (5661) them <5023> not <3361>.

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NASB : When the seven peals of thunder had spoken, I was about to write; and I heard a voice from heaven saying, "Seal up the things which the seven peals of thunder have spoken and do not write them."

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NASB# : When<3753> the seven<2033> peals<1027> of thunder<1027> had spoken<2980>, I was about<3195> to write<1125>; and I heard<191> a voice<5456> from heaven<3772> saying<3004>, "Seal<4972> up the things which<3739> the seven<2033> peals<1027> of thunder<1027> have spoken<2980> and do not write<1125> them."