After an intense discussion, we might rehash what we said and wish we'd said something else. Perhaps some brilliant remark occurs to us long after the conversation has ended.
We can say only what comes to us at the time of the discussion. Our best preparation for any such discussion however important is to place the matter in God's hands, seeking the highest good for everyone involved.
It may be that the brilliant thoughts coming to us later would have actually been inappropriate. After all, important discussions also involve exchanges of strong feelings that influence the meeting. If our feelings are in line with the high principles of the program, the discussion should go well. In such cases, we will probably say what we're supposed to say.
I'll do my best today, without trying to second-guess every word or action.
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'Those who leave everything in God's hand will eventually see God's hand in everything.'