The defendant wants to hide the truth because he's generally guilty. The defense attorney's job is to make sure the jury does not arrive at that truth.
“I fall in love with contradictions without understanding. I can't really portray them unless I do. So in a roundabout way I have to fall in love, it's my duty. If love is about understanding and understanding is compassion and compassion is love, I have to have compassion towards the world.”