Are people ethically obligated to improve themselves?

Can anything truly be objective?

Is hierarchy necessary for all successful human communities?

Is some degree of censorship necessary?

Can scientific truth be dangerous?

Is freedom limited to the necessity to work?

How much does language affect our thinking?

Is defending your rights the same as defending your interests?

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?

Does language only serve to communicate?

Does the idea of total freedom make sense?

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

Do we understand the present better than the past?

Do humans need to be governed?

Is memory sufficient to be a historian?

Are all truths demonstrable?

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