Adjective : As an administrator, he is simply incapable.    From Dictionary.com. 

The orator who has once seen things in their divine order will never quite lose sight of this, and will come to affairs as from a higher ground, and, though he will say nothing of philosophy, he will have a certain mastery in dealing with them, and an incapableness of being dazzled or frighted, which will distinguish his handling from that of attorneys and factors.    From Wordnik.com.  [The Atlantic Monthly, Volume 06, No. 35, September, 1860] Reference

This arduous path, demanding and exciting, made up of continuous conquests and relativations of human knowledge, brings the intelligent creature toward the threshold of the divine Mystery, where all notions verify their own weakness and incapableness and lead, therefore, to going beyond -- with the simple, free and sweet force of the truth -- all that is continuously reached.    From Wordnik.com.  [Archive 2009-06-01] Reference

As the master overpowered the littleness and incapableness of the performers and made them conductors of his electricity, so it was easy to observe what efforts nature was making, through so many hoarse, wooden, and imperfect persons, to produce beautiful voices, fluid and soul-guided men and women.    From Wordnik.com.  [Essays — Second Series] Reference

As the master overpowered the littleness and incapableness of the performers, and made them conductors of his electricity, so it was easy to observe what efforts nature was making through so many hoarse, wooden, and imperfect persons, to produce beautiful voices, fluid and soul-guided men and women.    From Wordnik.com.  [Essays: Second Series (1844)] Reference

The orator who has once seen things in their divine order, will never quite lose sight of this, and will come to affairs as from a higher ground, and, though he will say nothing of philosophy, he will have a certain mastery in dealing with them, and an incapableness of being dazzled or frighted, which will distinguish his handling from that of attorneys and factors.    From Wordnik.com.  [The Conduct of Life (1860)] Reference