People
Perhaps the most valuable result of all education is the ability to make yourself do the thing you have to do, when it ought to be done, whether you like it or not.
— Thomas Huxley

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker suggests the most useful outcome of education is self-discipline: being able to make yourself do what needs doing, at the right moment, even when you don't feel like it. Knowledge matters, but the ability to act is ranked above it.
Context reviewed