However, John Stuart Mill, believed that it was important to allow homosexuality to prevent mass social prejudice restricting the rights and happiness of individuals. Mill said in On Liberty that"[we should not] attempt to deprive others of theirs or impede their efforts to obtain it.“ His focus on qualitative measures of happiness, on measuring the worth of different pleasures and pains, would place the pleasure and happiness of the homosexual minority above the pain of those who oppose homosexuality and would prevent mob instincts governing the lives of those who are different.