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

Is some degree of censorship necessary?

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

Does language only serve to communicate?

Is defending your rights the same as defending your interests?

How much does language affect our thinking?

Are people ethically obligated to improve themselves?

Can scientific truth be dangerous?

Is memory sufficient to be a historian?

Is a happy life a life of pleasures?

Is freedom limited to the necessity to work?

Do we understand the present better than the past?

Can anything truly be objective?

Do humans need to be governed?

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

Are all truths demonstrable?

Does the idea of total freedom make sense?

Is hierarchy necessary for all successful human communities?