• At least 2,500 years before English physician William Harvey discovered the circulatory system in the human body, the Bible referred to the heart as a fountain, or source, of life? ​ — Proverbs 4: 23.
• vähemalt 2500 aastat enne seda, kui inglise arst William Harvey avastas inimese vereringesüsteemi, viitas Piibel südamele kui elu allikale?