A counsel of despair
Definition 1 of 1
Pro Tip 1/3Pessimistic Outlook
Indicates the speaker thinks a situation has little or no hope of improving. It reflects negativity. 
Most people's advice on climate change has turned into a counsel of despair.
Pro Tip 2/3Responding to Advice
Consider the intention behind the phrase – whether it's to discourage action or to express genuine doubt. 
Her suggestion to drop the project was like a counsel of despair, but I knew she meant well.
Pro Tip 3/3Emotional Weight
This phrase adds emotional impact to a conversation, often evoking a sense of resignation or defeat. 
The old man's words were a counsel of despair, leaving the room in somber silence.