People
Knowledge must come through action; you can have no test which is not fanciful, save by trial.
— Sophocles
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker argues that knowledge needs action to test it. Without an actual trial, a supposed test remains fanciful. The contrast puts practical experience above imagined results, presenting doing something as the way to find out whether an idea holds up.
Context reviewed