I know one thing we did right Was the day we started to fight, Keep your eye on the prize, Hold on, hold on!

-Anonymous
Civil rights song, quoted in  Juan Williams Eye on the Prize (1987).

Everyone knows there is no fineness or accuracy of suppression. If you hold down one thing you hold down the adjoining.

-Bellow, Saul
  The Adventures of  Augie March.

Prove all things; hold fast that which isgood.

-Bible (NewTestament)
  Thessalonians 5:21.

Hold fast the form of sound words, which thou hast heard of me.

-Bible (NewTestament)
  Timothy1:13.

To have and to hold from this day forward, for better for worse, for richer for poorer, in sickness and in health, to love and to cherish, till death us do part, according to God's holy ordinance; and thereto I plight thee my troth.

-Book of Common Prayer
Solemnization of Marriage, Betrothal.

The echo began in some indescribable way to undermine her hold on life.Coming at a moment when she chanced to be fatigued, it had managed to murmur, 'Pathos, piety, courageöthey exist, but are identical, and so is filth. Everything exists, nothing has value.'

-Forster, E(dward) M(organ)
  A Passage to India, ch.14.

   O the mind, mind has mountains; cliffs of fall Frightful, sheer, no-man-fathomed. Hold them cheap May who ne'er hung there.

-Gerard Manley Hopkins
  'No worst, there is none'.

Le temps vole et m'emporte malgre¤   moi; j'ai beau vouloir le retenir, c'est lui qui m'entra|"ne; et cette pense¤  e me fait grande peur: vous devinez a'   peu pre'  s pourquoi. Time flies and takes me with it despite my efforts; I'd like to hold it back, but it keeps dragging me along and this thought frightens me greatly: you can perhaps guess why.

-Se¤  vigne¤  , Marie de Rabutin-Chantal, Marquise de
  Letter to the Comte de Bussy-Rabutin,12 Jul.