Who said "The truth is often difficult to hear."?

This quote is attributed to Droopy.

The truth is often difficult to hear. - Droopy

"The truth is often difficult to hear."

Droopy Truth

"I'm so happy."

"Hello, I'm so glad to see you."

"That makes me so sad."

"I'm afraid I have some bad news."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."