He is the keenest of brains and the bluntest of consciences. At that time, his curiosity for visual art was his keenest interest. Most skillful modeling with no imperfections to be criticised by the keenest eyes. Looking back on those days I've always felt the keenest pity for prisoners and captives. Peter Paul Rubens (a diplomat himself) described Scaglia as "a man of the keenest intellect". Their keenest sense was probably smell. The keenest socialist among the Fasci leaders was Garibaldi Bosco. Buxton's resignation was accepted by Director Donovan, "with keenest personal regret". Darwin became Grant's keenest student and assisted him with collecting specimens.