If you speak the truth, keep a foot in the stirrup.

Related:

• He that speaks truth must have one foot in the stirrup.
  Turkish...
• A man about to speak the truth should keep one foot in the stirrup.
  Old Mongolian...
• He who speaks the truth must have one foot in the stirrup.
  Armenian...
• Who gossips to you will gossip of you.
  Turkish...
• Speak the truth, but leave immediately after. --
  Slovenian...
• It is good to know the truth,
  but it is better to speak of palm trees. Arab...
• To deceive a diplomat speak the truth, he has no experience with it.
  Greek...
• Measure a thousand times and cut once. --
  Turkish...