Never[enter] into dispute or argument with another. I never yet saw an instance ofone of two disputants convincing the other by argument. I have seen many ontheir getting warm, becoming rude and shooting one another.
Duringa negotiation, it would be wise not to take anything personally. If you leavepersonalities out of it, you will be able to see opportunities moreobjectively.
No onecan persuade another to change. Each of us guards a gate of change that canonly be opened from the inside. We cannot open the gate of another, either byargument or emotional appeal.