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

Are all truths demonstrable?

Is a happy life a life of pleasures?

Is defending your rights the same as defending your interests?

Do humans need to be governed?

Does language only serve to communicate?

Can scientific truth be dangerous?

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

How much does language affect our thinking?

Is freedom limited to the necessity to work?

Can anything truly be objective?

Is some degree of censorship necessary?

Is hierarchy necessary for all successful human communities?

Does the idea of total freedom make sense?

Do we understand the present better than the past?

Are people ethically obligated to improve themselves?

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

Is memory sufficient to be a historian?