Use "learn about" when you are gaining knowledge or information concerning a specific subject, topic, or thing.
Use "learn about" when you are gaining knowledge or information concerning a specific subject, topic, or thing.
John would like to learn about quantum physics.
Mary is learning about European history.
Use "learn on" in the context of gaining experience or skills through practice or involvement, usually in a hands-on or interactive manner. We typically add the idiomatic expression "learn on the job" in this situation.
John prefers to learn on the job rather than in a classroom.
"Learn on" is less common and often more informal than "learn about".
Monica is keen to learn on quantum physics.
When learning something quickly and without preparation or planning, we often use the expression "learn on the fly".
It's impressive how quickly he can learn on the fly.
Similarly, the phrase "learn on the go" means to acquire knowledge or skills while being active or busy, often outside a traditional learning environment. It implies learning while being in motion or during one's daily activities, rather than in a fixed, formal setting.
Sarah downloaded a few podcasts to learn on the go during his long road trips.
Finally, you can use "learn from" to imply taking lessons from past events, mistakes, successes, or from observing others.
We can learn from our mistakes and improve in the future.
