rat race

is difficult. It's hard to know if one is slowing up or if they are bringing up faster rats

Allan D. Fisher. AMERICAN HUMORS BEST ONE AND TWO LINERS

is a lifelong marathon in which the laurels go to the fastest and cleverest rats.

Popular metaphor used to depict the Darwinian struggle for survival, esp. in the business world; a lifelong marathon in which the laurels go to the fastest and cleverest rats.

is a popular metaphor used to depict the Darwinian struggle for survival, esp. in the business world.

rat race, n.All

rat race