Why is Tolerance a key Liberal Principle? What does it Suggest for Society?

-Tolerance refers the Acceptance of Wide Range of Lifestyles, Beliefs, Religions and more -Society must Tolerate a Range of Views and Lifestyles as long as they are not Restrictive of Personal Freedom -Tolerance is Rational, according to Liberals, and is Linked to individual Freedom and Choice -In the 19th Century, JS Mill developed this Theory to Protect Religious Freedoms and make a Free Marketplace of idea to allow a Progressive Society -Today, Liberals like having Diversity in Society, and that there are many ways to Live. Even defending the Freedom of Speech, though this is quite the Topical Debate