How to motivate my 26 years old to get a job

My daughter came home after finishing her college more than four years ago. She has gone through anxiety, depression, rage and episodes of paranoia. She is not willing to see therapist and is against taking medication. She is not willing to work and said she wants to go to school for more education but she has not done that either.

She lives at home and me and my husband are paying for her expenses. Although she has not been diagnosed I suspect she is suffering from borderline personality disorder. She is not using drug or alcohol. She is now in somewhat stable condition but I am suspecting things will not stay the same. How can we motivate her to change?