Lacan from Subversion of the Subject and the Dialectic of Desire as quoted in Alfredo Eidelzstein's The Graph of Desire: Using the Work of Jacques Lacan:

Lets the hunt be in vain for us analysts, [he is referring to the hunt for the subject] we must bring everything back to the func­tion of the cut in discourse, the strongest being that which acts as a bar between the signifier and the signified...
There the subject that interests us is surprised 

Here's a light piece about the disruption of the imaginary, a theme which I find interesting as an artist:

http://www.lacanonline.com/index/2013/11/lessons-from-lacans-practice-everyday-psychoanalysis-from-the-classroom-to-the-boardroom-i/