《列子·汤问》
管仲听说后劝齐桓公游辽口，一同到那个国家去，几乎要动身了。
管仲勉齐桓公因游辽口，俱之其国，几克举。
When Guan Zhong heard about this, he persuaded Duke Huan of Qi to tour Liaokou and go to that country together, and they were almost on their way.