Better a lie that soothes than a truth that hurts.

Related:

• Truth is the safest lie.
  Yiddish...
• A half-truth is a whole lie.
  Jewish...
• I believe that it is better to tell the truth than a lie.
  I believe it is better to be free than to be a slave...
• The big thieves hang the little ones.
  Czech...
• Sleep is better than
  medicine. --...
• Do not protect yourself by a fence, but rather by your friends.
  Czech...
• The big theives hang the little ones. -- Czech Proverb,
  regarding capital...
• Do not protect yourself by a fence, but rather by your friends.
  Czech...
• It is not the thief who is hanged, but one who was caught stealing.
  Czech...