Circumcision is most certainly not classified under work(melachah). It never was any more than walking to shul on Saturday. Circumcision is a commandment. An EVERLASTING commandment. Nobody has the right to change it under any circumstances. Anybody who does, stands directly in the opposition to what our Gd commanded.Circumcision is a work. Jesus himself compares it to healing. If its permissable to circumcise on the Sabbath, how much more to heal the entire man on the Sabbath?
If therefore (the command for) circumcision is greater than the (command to observe the) Sabbath, and the requirement for (physical) circumcision is no longer obligatory because it is fulfilled in Christ, how much moreso is the Sabbath fulfilled in Christ (and non obligatory)?
This is not to say the Sabbath is not still blessed, or that it is good to rest on the day. But it is to say our righteousness is through Christ, and neither our imperfect observance of the Sabbath nor any law can make us more righteous than believers already are through Christ.
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