Nurses are the backbone of the U.S. healthcare system, working holidays, weekends and long hours to help save lives while overseeing countless patients. Beginning Friday, National Nurses Week 2016 is a time to recognize the vital role these men and women have played in hospitals and medical centers across the country. Here are 20 quotations to share this week to show appreciation for nursing professionals.

“America’s nurses are the beating heart of our medical system.” — Barack Obama

“Nurses are the hospitality of the hospital.” — Carie Latet

“Our job as nurses is to cushion the sorrow and celebrate the job, everyday, while we are ‘just doing our jobs.’” — Christine Belle

“Nurses are the heart of healthcare.” — Donna Wilk Cardillo

“Some people think that doctors and nurses can put scrambled eggs back into the shell.” — Dorothy Canfield Fisher

“Panic plays no part in the training of a nurse.” — Elizabeth Kenny

“The most important practical lesson that can be given to nurses is to teach them what to observe.” — Florence Nightingale

“Tenderness and kindness are not signs of weakness and despair, but manifestations of strength and resolution.” — Khalil Gibran

“Carng is the essence of nursing.” — Jean Watson

“A nurse is compassion in scrubs.” — Lexie Saige

“As a nurse, we have the opportunity to heal the heart, mind, soul and body of our patients, their families and ourselves. They may not remember your name, but they will never forget the way you made them feel.” — Maya Angelou

“Drugs are not always necessary. Belief in recovery always is.” — Norman Cousins

“To do what nobody else will do, in a way that nobody else can do in spite of all we go through, is to be a nurse.” — Rawsi Williams

“Nurses, one of the few blessings of being ill.” — Sara Moss-Wolfe

“Bound by paperwork, short on hands, sleep and energy ... nurses are rarely short on caring.” — Sharon Hudacek

“It would not be possible to praise nurses too highly.” — Stephen Ambrose

“A nurse will always give us hope, an angel with a stethoscope.” — Terri Guillemets

“Nurses dispense comfort, compassion and caring without even a prescription.” — Val Saintsbury

“Always thank your nurse. Sometimes they’re the only one between you and a hearse.” — Warren Beatty

“The trained nurse has become one of the great blessings of humanity, taking a place beside the physician and the priest.” — William Osler