to increase in maturity is to increase in faith.

http://donmilleris.com/2011/05/16/life-happens-while-youre-doing-something-else/
http://catesong.wordpress.com/2011/05/21/baby/
http://www.stevenfurtick.com/personal-development/be-a-childlike-grownup/

http://thegospelcoalition.org/blogs/scottysmith/2011/05/25/a-prayer-about-the-cover-up-of-the-gospel/