Romans 8:3

3For what the law was powerless to do because it was weakened by the flesh, In contexts like this, the Greek word for flesh (sarx) refers to the sinful state of human beings, often presented as a power in opposition to the Spirit; also in verses 4-13. God did by sending his own Son in the likeness of sinful flesh to be a sin offering. Or flesh, for sin And so he condemned sin in the flesh,