"To understand God's thoughts, we must study statistics, for these are the measure of His purpose."

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

"The world is put back by every mistake and advanced by every truth."

"The lady with the lamp is a very pretty picture; but I am not a lady with a lamp. I am a ministering angel."

"The amount of good which a woman can do to a man is not by 'keeping house' for him, but by giving him a share in her own intellectual life."