There is a particular set of values commonly associated with being professional. Experience, expertise, trustworthiness, wisdom, and good judgement are all attributes aspired to by senior professional people, be they doctors, engineers, lawyers, civil servants, or the clergy.

A computer, by definition, cannot be held accountable for anything because there is no mechanism to hold it to account, short of turning off the electricity supply or destroying the hardware. Only humans can be accountable.

We may know the chemical structure of medicinal drugs, but we frequently have a very incomplete understanding of how they work.

Mark Walport Quotes