( saying ) used to tell sb not to be too proud of their present success; in the end another person may be more successful
HE WHO LAUGHS LAST LAUGHS LONGEST
Meaning of HE WHO LAUGHS LAST LAUGHS LONGEST in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005