Is a happy life a life of pleasures?

Are people ethically obligated to improve themselves?

Is defending your rights the same as defending your interests?

Does language only serve to communicate?

Can scientific truth be dangerous?

Do humans need to be governed?

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

Is freedom limited to the necessity to work?

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?

How much does language affect our thinking?

Does the idea of total freedom make sense?

Can anything truly be objective?

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

Is memory sufficient to be a historian?

Do we understand the present better than the past?

Is some degree of censorship necessary?

Are all truths demonstrable?