Obscurity often brings safety.
Don't let your special character and values, the secret that you know and no one else does, the truth - don't let that get swallowed up by the great chewing complacency.
The injuries we do and those we suffer are seldom weighed in the same scales.
Beware of a wolf in sheep's clothing.
We often despise what is most useful to us.
A doubtful friend is worse than a certain enemy. Let a man be one thing or the other, and we then know how to meet him.