'According to the Flesh' in the Bible

concerning his Son, who was born {a descendant} of David according to the flesh,

What then shall we say [that] Abraham, our ancestor according to the flesh, has found?

in order that the requirement of the law would be fulfilled in us, who do not live according to the flesh but according to the Spirit.

For those who are [living] according to the flesh are intent on the things of the flesh, but those [who are living] according to the Spirit [are intent on] the things of the Spirit.

So then, brothers, we are obligated not to the flesh, to live according to the flesh.

For if you live according to the flesh, you are going to die, but if by the Spirit you put to death the deeds of the body, you will live.

For I could wish myself to be accursed from Christ for the sake of my brothers, my fellow countrymen according to the flesh,