Wiktionary
every dog has its day
prov. Everyone has a time of experiencing some degree of success or impact or influence in life.
Wikipedia
Every Dog Has Its Day
"Every Dog Has Its Day" is a song written by Toby Keith, Bobby Pinson, and John Waples, and recorded by Keith for his 2009 album American Ride. It was released as the third and last single from the album in March 2010.