Giving feedback in second language teaching and learning

Feedback is an essential part of language learning and teaching that influences students’ learning and achievement. Feedback helps both the teachers and their students meet the goals and instructional means in learning and teaching. In this review, feedback for motivation and for language correction is discussed on theoretical and practical grounds, as well as their positive and negative impacts.
Taking into account the previous arguments. What do you think? Is feedback essential for language learning? Is it help teachers and students to meet their goals? Is it crucial for motivation? I really appreciate if you can share with us your opinion.