Knowledge: To be a teacher, it takes 4 years of study and long hours in shadowing. On the other hand, to become a lawyer requires 8 years in school.

Conversation:
Lawyer
Speaking of Lawyer, did you know that they can practice the law as a advocate, parelegal, barriste, counselor and other titles?
I had no clue, I'm not a lawyer, but I work with a ton of them.
Interesting. Lawyers work with application of legal theories to solve problems. Would you like to be one?
No, but do you know how long it takes to study to be one?

Response: Ah yes. To be a lawyer, it takes 8 years of study.