Who said "There was never anything good or bad save in the opinion."?

This quote is attributed to Epicureanism Epicurus.

There was never anything good or bad save in the opinion. - Epicureanism Epicurus

"There was never anything good or bad save in the opinion."

Epicureanism Epicurus Truth

Philosopher Ancient Greek 341–270

"When we say pleasure is the goal of life, we mean not the pleasures of the debauched and the dull, but freedom from bodily pain and mental anguish."

"Friendship is an immortal, deathless thing."

"The greatest good is friendship."

"Be modest in your desires, and peaceful will be your days."

"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."