I think the difference between active and passive language skills is overblown. Language learning is a holistic process.

Link to YouTube video: https://bit.ly/2JbXfe9
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Language Learning Progress

I speak 20 languages. I've been learning languages for over 50 years and I've tried all kinds of approaches. I talk about my experiences, my approach to language learning, what I enjoy about learning languages and all manner of other topics related to language. 

If you love languages, or think you would if you hadn't been discouraged by past experiences, this is the podcast for you. Anyone can learn a language. You just need the right attitude and the right approach!