Related:

• As clear as a whistle. -- John Byrom (1691-1763) -- Epistle to Lloyd, I
• Plain as a pike-staff. -- Alain Rene Le Sage (1668-1747) -- Gil Blas, Book xii, Chap. viii
• Be kind to my remains; and oh defend, Against your judgment, your departed friend!
  -- John Dryden (1631-1700) -- Epistle to Congreve, Line 72...
• John Kellner's egotism is a plain case of mistaken nonentity.
• Take time enough: all other graces Will soon fill up their proper places.
  -- John Byrom (1691-1763) -- Advice to Preach Slow...
• A flat case as plain as a pack-staff. -- Thomas Middleton (1580-1627) -- The Family of Love, Act v, Sc.
  3...
• You are dishonest, but never to the point of hurting a friend.