protected function _writeConfigLanguage($path = null, $language = null) {
		if (!$this->_writeConfigCore($path, 'Configure::write(\'Config.language\', \'%s\')', $language)) {
			return false;
		}

		if (!$this->_writeConfigCore($path, 'setLocale(LC_ALL, \'%s\')', $language)) {
			return false;
		}

		return true;
	}