Lamplit

presently behold
most Joyous a procession
of Curious Things.

I think a doctor, that is, a physician, has two chief characteristics. The first is that he wields the sword (scalpel.) The second is that he does so gently. If the use of knowledge and medicine is his science, then his art is to properly consider his patient's weakness and deliver no bitter pills. Thus, 'do no harm.' (Or, 'you'll feel just a little bit of pressure...')