It would drive me nuts to have someone instructing me through every move.
It was his schoolteacher voice, instructing.
He also studied the chemistry of combustion and of respiration, and made experiments in physiology, where, however, he was hampered by the "tenderness of his nature" which kept him from anatomical dissections, especially of living animals, though he knew them to be "most instructing."
As clerk (1795) and then as supercargo (1796, 1798, 1799) he made four long voyages; and, being an excellent navigator, he afterwards (1802) commanded a vessel, instructing his crews in lunar and other observations.
Their author Milaraspa (unless the work should be attributed to his disciples), often called Mila, was a Buddhist ascetic of the I ith century, who, during the intervals of meditation travelled through the southern part of middle Tibet as a mendicant friar, instructing the people by his improvisations in poetry and song, proselytizing, refuting and converting heretics, and working manifold miracles.