KJV : Labour <2038> (5737) not <3361> for the meat <1035> which <3588> perisheth <622> (5734), but <235> for that meat <1035> which <3588> endureth <3306> (5723) unto <1519> everlasting <166> life <2222>, which <3739> the Son <5207> of man <444> shall give <1325> (5692) unto you <5213>: for <1063> him <5126> hath <4972> (0) God <2316> the Father <3962> sealed <4972> (5656). {Labour not: or, Work not}
NASB : "Do not work for the food which perishes, but for the food which endures to eternal life, which the Son of Man will give to you, for on Him the Father, God, has set His seal."
NASB# : <R>"Do not work<2038> for the food<1035> which perishes<622>, but for the food<1035> which endures<3306> to eternal<166> life<2222>, which<3739> the Son<5207> of Man<444> will give<1325> to you, for on Him the Father<3962>, God<2316>, has set<4972> His seal<4972>."</R>