Are people ethically obligated to improve themselves?

Is memory sufficient to be a historian?

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

Can scientific truth be dangerous?

Does the idea of total freedom make sense?

Do we understand the present better than the past?

Does language only serve to communicate?

Is defending your rights the same as defending your interests?

Is some degree of censorship necessary?

Are all truths demonstrable?

Do humans need to be governed?

Can anything truly be objective?

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

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

Is hierarchy necessary for all successful human communities?

Is freedom limited to the necessity to work?

Is a happy life a life of pleasures?

How much does language affect our thinking?