Is it legal to download works from someone else and use it for education?

Question

Is it legal to download works from someone else and use it for education?

Answer 1

Always give credit in foot notes and not take something as your own if it was written by someone else. Even if person is unknown you can put that in the footnote

Answer 2

Not if it's copyrighted.

Answer 3

yes, as long as you mention them as your sources and giving proper credits to the authors. it is unlawful if your intention is for commercial purposes