You are not allowed to copy it, or sell copies of it Under fair-use laws (which vary country to country), you can usually copy a small portion of the work for

You are not allowed to copy it, or sell copies of it Under fair-use laws (which vary country to country), you can usually copy a small portion of the work for non-profit educational use https://en.wikipedia.org/wiki/Fair_use https://en.wikipedia.org/wiki/Fair_use