Commenting on a source
Sometimes you will want to talk, directly, about an idea or piece of writing. You don't want to use their idea, you just want to comment on it. In order to do this you must make it clear what the idea is (see methods above) and then you are free to cut it to pieces or praise it or dissect it and analyze it or whatever you want to do! Now, just remember to make it clear what the idea is, and then to make it clear when your opinion and analysis starts. Make it clear and you are safe.

An example:
Ugoretz' idea of dream imagery being the main language of surrealism is clearly though interestingly wrong...
Here the essay's author includes a quick summary, makes a statement and is ready to go!