Janet Gerber

“The most important thing about learning a new language is that you are able to communicate with other people. You don’t have to be perfect. You just have to try.”
― Janet Gerber, 650+ English Phrases for Everyday Speaking: Phrases for Beginner and Intermediate English Learners

“Idiom: arm chair critic Meaning: someone who is very critical, says negative comments about everything but does nothing about it Example: -My friend is such an arm chair critic. She is always complaining about the cost of her rent but never tries to find a cheaper place to live.”
― Janet Gerber, English Idioms Explained: Learn How to Use and Understand 125 Idioms in English