What does this mean, in your own words?
Confucius encouraged his students to study collaboratively. He said that through discussion they could learn from one another.

Explanation:

I think this means that Confucius liked it when others discuss their ideas on how to improve on themselves, their life, or the world. He believes that since other people come from different backgrounds and experiences, they can help others learn, even if they don't teach as a job.

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.