The amount of time we spend with Jesus - meditating on His Word and His majesty, seeking His face - establishes our fruitfulness in the kingdom.
The difficulties we face originate from one of three sources. Some are sent to us by the Lord to test our faith, others are the result of Satan's attacks, and still others are due to our own sinful choices.
Yieldedness is vital in listening to what He has to say.
The Scriptures contain many stories of people who waited years or even decades before the Lord's promises came to pass. What modern believers can learn from the patience of biblical saints like Abraham, Joseph, David, and Paul is that waiting upon the Lord has eternal rewards.