It does not set official qualification for justices.
Explanation:
One of the ways in which the Constitution promotes the value of flexibility for the Supreme Court is by not specifying qualifications for justices. Therefore, there are no specific requirements such as age, education or profession. However, there are some characteristics that all justices share. All justices need to be trained in law. This flexibility allows justices to be elected due to what they are believed to be able to bring to the Supreme Court, regardless of their age, experience or profession.
Political necessity. In Jefferson's words: The pusillanimous idea that we had friends in England worth keeping terms with, still haunted the minds of many.