A double-barrelled one today. Once again, remember that these are points for discussion – I am not saying I agree or disagree with them.
Other people both have more differences, and are more similar, to us than we assume they are when making day to day choices, judgements, and decisions. Ultimately people are more complex than the rules we use to understand them.
To understand the individual we have to make assumptions. Acknowledging these assumptions, their usefulness, and their limitations, is important.