《资治通鉴·汉纪·汉纪六》
错过目前时机不给以医治，必定成为无法医治的顽症，以后即便是有扁鹊那样的神医，也无能为力了。
失今不治，必为锢疾，后虽有扁鹊，不能为已。
If we miss this opportunity to treat the disease, it will definitely become incurable. Even if there is a divine physician like Bian Que in the future, he will be powerless to help.