Dr. Q. v. College of Physicians & Surgeons of B.C.,  2003 SCC 19, [2003] 1 S.C.R. 226, 223 D.L.R. (4th) 599, 48 Admin. L.R. (3d) 1, 2003 CarswellBC 713, [2003] S.C.J. No. 18, at para. 21, per McLachlin C.J.C., writing for the unanimous Court.