Are people ethically obligated to improve themselves?

Is some degree of censorship necessary?

Is hierarchy necessary for all successful human communities?

Is freedom limited to the necessity to work?

Do we understand the present better than the past?

Are all truths demonstrable?

Is defending your rights the same as defending your interests?

How much does language affect our thinking?

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

Does the idea of total freedom make sense?

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

Can scientific truth be dangerous?

Does language only serve to communicate?

Can anything truly be objective?

Is a happy life a life of pleasures?

Do humans need to be governed?

Is memory sufficient to be a historian?

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