Great Houses of Morrowind wrote:

The wizard-lords of House Telvanni have traditionally isolated themselves, pursuing wisdom and mastery in solitude. But certain ambitious wizard-lords, their retainers, and clients have entered wholeheartedly into the competition to control and exploit Vvardenfell's land and resources, building towers and bases all along the eastern coast. According to Telvanni principles, the powerful define the standards of virtue.