Do we understand the present better than the past?

Is hierarchy necessary for all successful human communities?

Is memory sufficient to be a historian?

Do humans need to be governed?

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

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

Is defending your rights the same as defending your interests?

How much does language affect our thinking?

Can anything truly be objective?

Does language only serve to communicate?

Does the idea of total freedom make sense?

Are people ethically obligated to improve themselves?

Are all truths demonstrable?

Is a happy life a life of pleasures?

Is freedom limited to the necessity to work?

Is some degree of censorship necessary?

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

Can scientific truth be dangerous?