Do we understand the present better than the past?

Is memory sufficient to be a historian?

Can scientific truth be dangerous?

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

How much does language affect our thinking?

Is hierarchy necessary for all successful human communities?

Does language only serve to communicate?

Is a happy life a life of pleasures?

Is freedom limited to the necessity to work?

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

Do humans need to be governed?

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

Are all truths demonstrable?

Is defending your rights the same as defending your interests?

Are people ethically obligated to improve themselves?

Can anything truly be objective?

Does the idea of total freedom make sense?

Is some degree of censorship necessary?