What is the meaning of the Parable of the Friend in Need (Persistent Neighbor)? Why did Jesus often speak using parables instead of teaching more clearly?

What is the meaning of the Parable of the Pharisee and the Tax Collector? Why did Jesus often speak using parables instead of teaching more clearly?

What is the meaning of the Parable of the Talents? Why did Jesus often speak using parables instead of teaching more clearly?

What is the meaning of the Parables of the Hidden Treasure and the Pearl of Great Price? Why did Jesus often speak using parables instead of teaching more clearly?

What is the meaning of the Parable of the Two Sons? Who does the two sons represent? Why did one son obey and the other son disobey?

What is the meaning of the Parable of the Unforgiving / Unmerciful Servant? Why did Jesus often speak using parables instead of teaching more clearly?

Should a Christian be patriotic? Should a Christian love the country he/she lives in? Is patriotism idolatry?

What are indulgences and plenary indulgences, and are the concepts biblical? Does the Catholic Church have the authority to grant indulgences to believers?

What is the meaning of the Parable of the Ten Virgins? Why did Jesus often speak using parables instead of teaching more clearly?

What did Jesus mean when He said to 'not cast your pearls before swine' (Matthew 7:6)? What does this mean in relation to evangelism and apologetics?