He that is of a merry heart hath a continual feast.

Related:

• A merry heart maketh a cheerful countenance. -- Old Testament -
  Proverbs xv,...
• He that is of a merry heart hasth a continual feast.
  Biblical...
• A continual dropping in a very rainy day and a contentious woman are alike.
  Old Testament -- Proverbs xxvii,...
• He that is surety for a stranger shall smart for it.
  Old Testament -- Proverbs xi,...
• The horseleech hath two daughters, crying, Give, give.
  Old Testament -- Proverbs xxx,...
• A merry heart doeth good like a medicine. -- Old Testament -
  Proverbs xvii,...
• In a good old age. -- Old Testament --
  Genesis xv,...
• He that hath knowledge spareth his words. -- Old Testament -
  Proverbs xvii,...
• He that hath pity upon the poor lendeth unto the Lord.
  Old Testament -- Proverbs xix,...