if the lesson is purely educational you should put This lesson became a great opportunity for me to improve and widen my knowledge. I may not thought about it before but this lesson will be a great help to me.
however if the lesson is inspirational you should put this lesson became a great opportunity for me to improve my knowledge and wisdom. This lesson is such an eye opener and became a great help to me.
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Answer:
if the lesson is purely educational you should put This lesson became a great opportunity for me to improve and widen my knowledge. I may not thought about it before but this lesson will be a great help to me.
however if the lesson is inspirational you should put this lesson became a great opportunity for me to improve my knowledge and wisdom. This lesson is such an eye opener and became a great help to me.