Is hierarchy necessary for all successful human communities?

Is some degree of censorship necessary?

Are people ethically obligated to improve themselves?

Is it possible to prove that other people besides yourself have consciousness?

Do we understand the present better than the past?

If language influences how we perceive color, what other things could languages be changing our perception of?

Is a happy life a life of pleasures?

Is freedom limited to the necessity to work?

Does the idea of total freedom make sense?

Does language only serve to communicate?

Can scientific truth be dangerous?

Is defending your rights the same as defending your interests?

Do people in wealthier countries have a moral obligation to help those in poorer countries?

Do humans need to be governed?

Are all truths demonstrable?

Can anything truly be objective?

Is memory sufficient to be a historian?

How much does language affect our thinking?