The answer helps us to understand the faith of both, and the extent to which they exposed themselves by caring for the Revelation that God had given them.
In spiritual matters there is what is known as a “legal right” which consists of the “permission” that Satan acquires to operate in a person, or in a place, because of the opportunity that the person, or the place, gave him to do so. Spiritual warfare consists of “distorting” the authority of the opponent, that is, canceling the “legal right” of the enemy in order to be able to rebuke and subject all his activity;
Note that Luke in his account where he describes the custom of Jesus to visit the synagogue of the place where he arrived, uses the term ειωθος, and not συνήθεια, showing with it in Jesus, that His way of proceeding was not a habit, but His usual way of proceeding;
Tithing is not an obligation, it is not a commandment, not even a responsibility before the Lord; whoever learns to define tithing in these terms sooner or later ends up seeing the tithe as a heavy burden from which he will seek to escape.
The revival of which we have heard preached in our day as a movement of the Spirit of God will not come until we understand the value of prayer and commit ourselves before God to hold under a cloak of prayer to whom the Lord has delegated us,
God's call has a divine dignity, not to emphasize the person above the one who called him, but to establish on earth that operation of God necessary to break the strength of the kingdom of darkness that has bound the inhabitants of its regions.
The Kingdom of Heaven is urging men and women of faith, to trust His Word, to understand the spiritual significance of what it means to be a bearer of Good News, a competent minister of a New Covenant, and an ambassador of Christ. Terms all used by the apostle not to adorn the writing but to reveal by the Holy Spirit the authority possessed by the one who has given his life to the proclamation of the Gospel of the Kingdom of Heaven.