That singular command, I do not understand, Bless what there is for being, What else am I for, Agreeing or disagreeing?

-Auden,W(ystan) H(ugh)
'Precious Fire', in Collected Poems (1976).

Continentiam iubes; da quod iubes et iube quod vis. You command continence; give what youcommand and command what you will.

-St Augustine originally Aurelius Augustinus
AD 397  Confessions, bk.10, ch.29.

We make this wide encircling movement in the Mediterranean, having for its primary object the recovery of the command of that vital sea, but also having for its object the exposure of the under-belly of the Axis, especially Italy, to heavyattack.

-Churchill, Lord Randolph Henry Spencer
  Speech in the House of Commons,11 Nov.

Then Israel's monarch, after Heaven's own heart, His vigorous warmth did, variously, impart To wives and slaves: and, wide as his command, Scattered his Maker's image through the land.

-Dryden,John
Absalom and  Achitophel, pt.1, l.7^10.  An oblique reference to Charles II, who had no legitimate, but many illegitimate, children.

Love shall come at your command Yet will not stay.

-Graves, Robert von Ranke
  'Song of Contrariety'.

The command 'Thou shalt not kill'must be binding on the conscience of humanity if the terrible tragedy and destiny of Cain is not to be repeated.

-PopeJohn Paul II originally Karol Jozef Wojtyla
  Speech at Drogheda, Ireland, 29 Sep.

O impotence of mind, in body strong! But what is strength without a double share Of wisdom, vast, unwieldy, burdensome, Proudly secure, yet liable to fall By weakest subtleties, not made to rule, But to subserve where wisdom bears command.

-Milton,John
Samson  Agonistes, l.52^7.

The basic command of religion is not 'do this!'or 'do not do that!' but simply 'look!'

-Toynbee, (Theodore) Philip
  Journal entry,15 Feb. Collected in Part of aJourney (1981).

For thou wert still the poor man's stay, The poor man's heart, the poor man's hand; And all the oppressed, who wanted strength, Had thine at their command.

-Wordsworth,William
  'Rob Roy's Grave', l.109^12 (published1807).