Here are some quotes about secrets:

- "A secret's worth depends on the people from whom it must be kept." - Carlos Ruiz Zafón
- "I take pleasure in my transformations. I look quiet and consistent, but few know how many women there are in me." - Anaïs Nin
- "I never understood why Clark Kent was so hell bent on keeping Lois Lane in the dark." - Christopher Reeve
- "Sometimes, the biggest secrets you can only tell a stranger." - Unknown
- "Three may keep a secret, if two of them are dead." –Benjamin Franklin, Poor Richard's Almanack
- "If you want to keep a secret, you must also hide it from yourself." - George Orwell
- "Man is not what he thinks he is, he is what he hides." - André Malraux
- "A secret at home is like rocks under tide." - Mehmet Murat ildan

I hope this helps!