Citations opens the door to further information and independent judgement.
Citations keep you honest.
Citations means you don't have to introduce old notions, just include your citations that point you to where they are introduced or described.
Citation can be used to strengthen your argument.
Citation is courtesy of scholars.
She also discusses what makes a meaningful citation, some highlights:
Avoid brackets without context.
Let the information and emotion hidden between citations out into the open. Honest. Instead of "Furbot [21] identifies ..." try giving some context "Furbot, writing in the VUW Journal of Phrenology [21], described for the first time the computer scientist convulation ...".
Avoid things like "it has been said", "see [x] for a further discussion".