One of the greatest advantages in the world is enjoyed by the person who says and insists that they are telling the truth,

Related:

• AMBIGUITY:
  Telling the truth when you don't mean to...
• Someone who says they have never failed is either not telling the truth or not trying hard enough.
  Ronald...
• Ambiguity means telling the truth when you don't
  mean to...
• Autobiography:
  Unrivalled telling truth about others...
• Cynicism is an unpleasant way of telling the truth.
  Lillian...
• Please don't spoil everything by telling me the
  truth...
• Telling a liberal the truth is like showing a vampire
  a crucifix...
• Pretty much all the honest truth telling there is in the world is done by children.
  Oliver Wendell Holmes (1809...
• Telling the truth to people who misunderstand you is generally promoting a falsehood,
  isn't it? -- Anthony...