Importance of code reivew in agile development

Code review is essentially vital part for agile development and it must be done along with our code coverage.
Code review has a great potential to reduces bugs count and increases the productivity on long run.
It provides quality code in terms of
1. following coding standard to make sure everyone understands your coding.
2. identifying bugs development stage reduces the number cycles between dev, qa or even from production to development.
3. catching performance bottle necks like loops, memory leaks, reducing unnecessary costly calls to db and so on

Code review will really gives you more learning and it multiplies your knowledge as you become aware on how other person think and code.
You must feel great to get your code reviewed to make sure you're strong in your delivery by using another pair of eye to catch any unwanted things that you don't want to put in to code base.
When you get comments on your code, your confidence level on your coding style increases and you become quality coder.