Can anything truly be objective?

Are all truths demonstrable?

Do humans need to be governed?

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 a happy life a life of pleasures?

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

Is some degree of censorship necessary?

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

Does language only serve to communicate?

Is defending your rights the same as defending your interests?

Do we understand the present better than the past?

Are people ethically obligated to improve themselves?

Is freedom limited to the necessity to work?

Is memory sufficient to be a historian?

Is hierarchy necessary for all successful human communities?

Can scientific truth be dangerous?

Does the idea of total freedom make sense?