Wisdom can be had if you remember the golden rule: Do unto your parents, as you would have your children do unto you.
In 1716, Jonathan Edwards began his studies at Yale College in Connecticut. He was 13 years old at the time and already knew four languages.
The husband is the principle and source from whence the wife comes, and because of this there is a certain hierarchy of authority that follows.
As with most things, there are different views of when Paul wrote Galatians, but I think the most likely scenario is that he wrote it around 48 AD, from the city of Antioch, just before the Jerusalem Council of Acts 15.