The phrase "a lesson retained" is correct and usable in written English.
It can be used to indicate that a lesson or piece of knowledge has been successfully learned and remembered.
Example: "After the training session, I felt that a lesson retained was the importance of teamwork in achieving our goals."
Alternatives: "a lesson learned" or "a lesson remembered".
"It says, 'A lesson taught with humor is a lesson retained.' ".
They learned that foods that were good for them could also taste good, a lesson retained for nearly 40 years.
"It says, 'A lesson taught with humor is a lesson retained.' " Sign up for the daily newsletter.Sign up for the daily newsletter: the best of The New Yorker every day.
"It says, 'A lesson taught with humor is a lesson retained.' " Ruth Westheimer — all four feet, seven inches of her — sat down at a restaurant booth the other day and took out her handbag.
As acclaimed sex therapist Dr. Ruth notes, "...a lesson taught with humor, is a lesson retained".
Book publishers, Mr. Kelly said, retain a lesson that the magazine industry forgets.
Most importantly, she has given me a lesson in how to retain your dignity when fate, circumstance and powerful forces seek to strip it from you.
From the results of this study, three important lessons are retained: firstly, the education of women increases their capacity to use modern maternal healthcare services.
It is clear this pontiff needs no lessons in retaining a firm purchase along that unsteady tightrope between the hard, 'bread and butter' issues of his hungrier flock and our older archaeology of ancient lore which traverses the ages of an earlier, ostensibly pie-in-the-sky religiosity, long-abandoned in so-called 'developed' nations.
Topanga A-frame retains that '70s sensibility.
Meaning, the more clear I am with a direction of a lesson, the better my students understand, learn and retain.
