1) That experience taught me the lesson that luck was extremely important in life. 2) That experience taught me the lesson to remember that luck was extremely important in life. (It was a lesson to remember and the lesson was that luck was extremely important in life.)
3) That experience taught me a lesson that luck was extremely important in life. 4) That experience taught me a lesson to remember that luck was extremely important in life. (Presumably there are many lessons of that type.)
Gratefully, Navi.
Top answer
Only the first is correct and natural.
— Teechr
Only the first is correct and natural.
Free · every Monday
Get the Weekly English Kit 📬
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.