The desire not to be impinged upon, to be left to oneself, has been the markof high civilisation both on the part of individuals and communities.

-Berlin, Sir Isaiah
  Four Essays on Liberty.

And the L said unto him,Therefore whoever slayeth Cain, vengeance shall be taken on him sevenfold. And the L set a mark upon Cain lest any finding him should kill him.

-Bible (Old Testament)
ORDORDGenesis 4:15.

Forgetting those things which are behind, and reaching forth unto those things which are before, I press toward the mark for the prize of the high calling of God in Christ Jesus.

-Bible (NewTestament)
Philippians 3:13^14.

And that no man might buy or sell, save he that had the mark, or the name of the beast, or the number of his name. Here is wisdom. Let him that hath understanding count the number of the beast: for it is the number of a man; and his number is Six hundred threescore and six.

-Bible (NewTestament)
Revelation13:17^18.

Progress, man's distinctive mark alone, Not God's, and not the beasts'; God is, they are, Man partly is and wholly hopes to be.

-Browning, Robert
  Dramatis Personae,'A Death in the Desert'.

And I dream of the days when work was scrappy, And rare in our pockets the mark of the mint, When we were angryand poor and happy, And proud of seeing our names in print.

-Chesterton, G(ilbert) K(eith)
  'Song of Defeat'.

If you would hit the mark, you must aim a little above it; Every arrow that flies feels the attraction of earth.

-Longfellow, Henry Wadsworth
Elegaic Verse, stanza 9.

On his brow this mark I sawö '!'

-Shelley, Percy Bysshe
I AM GOD, AND KING, AND LAW1819  'The Mask of Anarchy'.

This sense of wonder is the mark of the philosopher. Philosophy indeed has no other origin.

-Socrates
Quoted in Plato Theaetetus,150c (translated by F M Cornford).