I testify that much of that joy comes as we recognize that we can communicate with our Heavenly Father through prayer and that those prayers will be heard and answered—perhaps not how and when we expected they would be answered, but they will be answered and by a Heavenly Father who knows and loves us perfectly and who desires our happiness.
This quote is taken from the October 2012 conference address titled: Consider the Blessings by President Thomas S. Monson.