Of all wild beasts preserve me from a tyrant and of all tame, a flatterer. Ben Jonson
A flatterer can risk everything with great personages. Alain-René Lesage
I'd rather get bad news from an honest man than lies from a flatterer. Ursula K. Le Guin
A flatterer is a secret enemy. Hungarian Proverb
Show me a poor man, I will show you a flatterer. Portuguese Proverb
A flatterer has water in one hand and fire in the other. German Proverb