“I wish the church knew that having questions, experiencing doubts and being uncertain about things that the church is teaching does not necessarily equal spiritual immaturity.”
http://gracerules.wordpress.com/2008/09/16/what-i-wish-the-church-knew-about-spiritual-maturity/
On stumbling across this post my first thought was that those who have no doubts or questions may well be the spiritually immature. Perhaps they mistake their own spiritual ego with the divine spark itself!