Which of the following is a phrase found in the modern Hippocratic Oath immediately after, "I swear to fulfill, to the best of my ability and judgment, this covenant:"?
'First, do no harm.'
'I will respect the hard-won scientific gains of those physicians in whose steps I walk...'
'... and promise to do my duty, to God and my country...'
'... and where I cannot provide a cure, I will do everything in my power to prolong their life.'