Don't engage in intellectually dishonest debate
It's important to realize what intellectually dishonest debate is.
John T. Reed points out that there are only two intellectually-honest debate tactics:
There are only two intellectually-honest debate tactics:
1. pointing out errors or omissions in your opponent’s facts
2. pointing out errors or omissions in your opponent’s logic
The list of intellectually-dishonest debate tactics would be much longer. It's very simple though to remember the two rules above that Mr. Reed mentions.
It is very important to know the difference between honest and dishonest debate. Dishonest debaters, willingly or not, are able to bypass their opponents sense of reason with the many fallacies they use.
Maybe you know someone who uses a lot of B.S. or dishonesty in their speech. Maybe you don't, or aren't aware of who you speak with or listen to on TV or the radio, or read on the internet, and who is intellectually dishonest.
Much of what is intellectually dishonest isn't blatant lying. It's the rhetoric that goes under the radar and misrepresents facts by embellishment or omission. It could be a faulty line of reason to come to a conclusion.
Here are some links worth looking into in case you'd like to understand intellectual dishonesty better.