KJV : But <235> ye shall receive <2983> (5695) power <1411>, after that the Holy <40> Ghost <4151> is come <1904> (5631) upon <1909> you <5209>: and <2532> ye shall be <2071> (5704) witnesses <3144> unto me <3427> both <5037> in <1722> Jerusalem <2419>, and <2532> in <1722> all <3956> Judaea <2449>, and <2532> in Samaria <4540>, and <2532> unto <2193> the uttermost part <2078> of the earth <1093>. {power...: or, the power of the Holy Ghost coming upon you}
NASB : but you will receive power when the Holy Spirit has come upon you; and you shall be My witnesses both in Jerusalem, and in all Judea and Samaria, and even to the remotest part of the earth."
NASB# : <R>but you will receive<2983> power<1411> when the Holy<40> Spirit<4151> has come<1904> upon you; and you shall be My witnesses<3144> both<5037> in Jerusalem<2419>, and in all<3956> Judea<2453> and Samaria<4540>, and even<2193> to the remotest<2078> part<2078> of the earth<1093>."</R>