" We need no help from ThunderClan,” growled Crookedstar. “RiverClan cats can look after themselves.” “Don’t be such a fool.” It was Graypool who spoke, with a glare at her leader. Fireheart felt a new surge of respect for her; he guessed that not many cats would dare to take that tone with Crookedstar. “You’re too proud for your own good,” the elder rasped. “How can we feed ourselves, even with the thaw? There are no fish to eat. The river’s practically poisoned; you know it is. "

― Erin Hunter , Forest of Secrets (Warriors, #3)