Considering the question of which house of Congress must the U.S. President first submit a bill increasing the income tax the answer is:
The House of Representatives.
This issue is addressed under Article 1, Section 7, Clause 1, of the United States Constitution.
The text under this section goes thus "All Bills for raising Revenue shall originate in the House of Representatives, but the Senate may propose or concur with Amendments as on other Bills."
Hence, in this case, the correct answer is "the House of Representatives; under Article 1, Section 7, Clause 1 of the United States.
When Jesus said "love your neighbor as yourself," his message was that you should treat people how you want to be treated. In other words don't steal if you don't want to be stolen from.