Every dog has his day is a proverb which means that everyone will eventually have their moment of success or triumph. It is a common phrase used to encourage individuals who may be facing difficult times. There are many synonyms for this phrase, including "good things come to those who wait," "better late than never," "there's light at the end of the tunnel," and "perseverance pays off." All of these phrases convey the idea that success is possible despite setbacks or challenges. Remembering that every dog has his day can be a powerful motivator for individuals who are working towards achieving their goals.