xxii Johns Hopkins Nursing Evidence-Based Practice: Model and Guidelines, Third Edition
Hospital, Principal of The Johns Hopkins School of Nursing, and pioneer in
the development of nursing education:
We need to realize and affirm a view that “medicine” is one of
the most difficult of arts. Compassion may provide the motive
but knowledge is our only working power.... Surely we will
not be satisfied with merely perpetuating methods and tradi-
tions; surely we should be more and more involved with creat-
ing them.