Circuмcision was not a precept, it was a commandment of God, starting with Abraham.

There really are no words.

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You think so?
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A precept is a general rule of behavior.  A commandment is a Divine rule, like the ten commandments and if you break that rule, you die i.e. mortal sin.
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Did you find that in Webster's dictionary?

Motorede is correct.

You really have no clue whatsoever about the distinction between necessity of means and necessity of precept.

This brings to mind another error of BOD supporters, which is that they claim an "act of perfect love" suffices for salvation. Yet how can that act be greater than one who has received the Sacrament of baptism (in which supernatural charity is infused into the soul)? If it is not greater, then how could it be perfect?

This above brings to mind a grave error of those who deny God's Mercy.
They continue to put the cart before the horse, thereby throwing off balance of logic.  

This brings to mind another error of BOD supporters, which is that they claim an "act of perfect love" suffices for salvation.

When human actions are salvific, you've crossed the line into Pelagianism.  99.9% of BoDers are Pelagians.

No, Myrna, it's people like you who deny God's Mercy.  You impose your own notion of "mercy" on God and then would accuse Him of lacking in mercy if He doesn't conform to your notions about what would be merciful and what would not.  That takes a lot of hubris.

So please explain in lay man's terms how I accuse Him of lacking in mercy.  I would not want to be guilty of that, therefore I really want to know more about this grave sin you accuse me of. 

Logic says that God does not command impossibilities. If a person is of good will, God can preserve him (through His mercy) to receive the Sacrament of Baptism. For although you believe in God's mercy (as I do), you deny His justice and His power.

You may be correct in that God can certainly preserve him, and I agree He can and has. 
That would be God exception to His rule, and according to others of your beliefs, they deny God's exceptions to His rules, if you are one who does not deny His exception then you would have to consider that the person with Faith is favored by God if they should pass away suddenly but had every intention of receiving the Sacrament of Baptism because what comes first, grace or mercy?  
 
This is why murder cries out to God for vengeance since murder interrupts the plan of God for a particular person.
People die when God had other plans for them to live. 
There is so much that we really don't know but it is important to stay with what the Church teaches and not blame Modernist from centuries ago for inserting things in writings that you don't agree with.  Have a little Faith in the Holy Ghost and the teachings of the Baltimore Catechism and other teachings like Trent.  "Or desire"!

Clever way of wiggling out!    

Evidently you're just not good at reading.  Would you like me to re-paste it for you?

... exceptions to God's rules, like LYING, and engaging in SELF-CONTRADICTION.