Themes
It's surprising how many persons go through life without ever recognizing that their feelings toward other people are largely determined by their feelings toward themselves, and if you're not comfortable within yourself, you can't be comfortable with others.
— Sydney J. Harris

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker observes that many people never realise how their attitude to others is shaped by how they feel about themselves. Inner discomfort, they argue, makes ease with other people impossible. Self-acceptance is treated as the foundation for comfortable relationships.
Context reviewed