'Flesh' in the Bible

If, however, it is to be life here and I am to go on living, this will mean useful and productive service for me; so I do not know which to choose [if I am given that choice].

Look out for the dogs [the Judaizers, the legalists], look out for the troublemakers, look out for the false circumcision [those who claim circumcision is necessary for salvation];

for we [who are born-again have been reborn from above—spiritually transformed, renewed, set apart for His purpose and] are the true circumcision, who worship in the Spirit of God and glory and take pride and exult in Christ Jesus and place no confidence [in what we have or who we are] in the flesh—

though I myself might have [some grounds for] confidence in the flesh [if I were pursuing salvation by works]. If anyone else thinks that he has reason to be confident in the flesh [that is, in his own efforts to achieve salvation], I have far more: