Throughout history, the Church has always grown in size and strength during persecution. This is because during persecution we get our priorities straight. We realize our life is in Jesus (John 14:6) and not in things (Luke 12:15), and we focus all of our attention on the Lord.
Prosperity has been far more damaging to the Body of Christ for the exact reason said here in this verse. God wants to bless His children with things (Psalm 35:27; Matthew 6:33), but a preoccupation with these things will choke God's Word and make it unfruitful. If we would follow God's formula for prosperity found in Matthew 6:19-34, we would have the Word bringing forth fruit and we'd enjoy the physical blessings of this life.
Jesus said that no fruit was brought to perfection. This type of person will exhibit some fruit, but it will always be small and far short of what it should be. We should examine our lifestyle and see if the cares of this life, deceitfulness of riches, or pleasures of this life could be choking God's Word.