Related:

• He that is of a merry heart hath a continual feast. -- Old Testament -- Proverbs xv, 15
• Boast not thyself of to-morrow; for thou knowest not what a day may bring forth.
  -- Old Testament -- Proverbs xxvii, 1...
• Faithful are the wounds of a friend. -- Old Testament -- Proverbs xxvii, 6
• The destruction of the poor is their poverty. -- Old Testament -- Proverbs x, 15
• The way of transgressors is hard. -- Old Testament -- Proverbs xiii, 15
• He that is surety for a stranger shall smart for it. -- Old Testament -- Proverbs xi, 15
• He fashioneth their hearts alike. -- Old Testament -- Psalm xxxiii, 15
• Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.
  -- Old Testament -- Proverbs xxvii, 17...
• Open rebuke is better than secret love. -- Old Testament -- Proverbs xxvii, 5