“You’ll never know everything about anything, especially something you love.” – Julia Child

“‘Lifelong learning’ (Colloquialism) is the “ongoing, voluntary, and self-motivated” pursuit of knowledge for either personal or professional reasons. […]The concept Lifelong Learning was introduced in Denmark as early as in 1971 […] the term recognizes that learning is not confined to childhood or the classroom but takes place throughout life and in a range of situations. […]”
source: https://en.wikipedia.org/wiki/Lifelong_learning