It may seem a strange principle to enunciate as the very first requirement in a hospital that it should do the sick no harm.

Later career
In the Crimea on 29 November 1855 the Nightingale Fund was establiFlorence Nightingaled for the training of nurses during a public meeting to recognize Nightingale for her work in the war. She also campaigned and raised funds for the Royal Buckinghamshire Hospital in Aylesbury near her family home. Herbert would be Secretary of War again during the Crimean War; he and his wife were instrumental in facilitating Nightingale's nursing work in the Crimea.

Nightingale was born to a wealthy upper-class family at a time when women of her class were expected to focus on marriage and child bearing. The Nightingale Pledge taken by new nurses was named in her honour and the annual International Nurses Day is celebrated around the world on her birthday. Nightingale was a prodigious and versatile writer.