People
Minds are like parachutes; they work best when open.
— Lord Thomas Dewar
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The comparison gives an open mind the practical usefulness of an open parachute. A physical object that needs to unfold becomes an image for mental receptiveness. Read as encouragement, the saying suggests that willingness to consider ideas helps the mind do its work well.
Context reviewed