The protesting students derailed the professor's lecture.

However, shortages have seen customers yelling at employees, and abusing staff members as they work frantically to keep up with demand.

Even other universes should be a result of different physics. Without rules, these universes wouldn't exist, because they will have an undefined, thus impossible, nature. We will never understand or guess all possible forms of physics. That's why we have to understand the generic metaphysics.

the cankers of envy and faction