What is the difference of 本来 and 原来？

本来 (běn lái):
Meaning: Originally, essentially, inherently.
Usage: It is often used to express the inherent or natural state of something, emphasizing the basic or fundamental nature of a situation or thing.

Example: 他本来就是个好人。(Tā běn lái jiù shì gè hǎo rén.) - He is originally a good person.



原来 (yuán lái):
Meaning: Originally, formerly, as it turns out.
Usage: It is commonly used to express the original state or situation, but it can also be used to reveal something that was not previously known or understood.

Example: 他原来是我的老师。(Tā yuán lái shì wǒ de lǎo shī.) - He was originally my teacher.