There are plenty of synonyms for the expression "Rome wasn't built in a day". This phrase represents a popular adage referring to the time and patience required to accomplish something significant. An alternative similar saying could be "slow and steady wins the race" or "good things come to those who wait". These phrases remind us to be patient and persistent, and that success requires time and effort. Other related phrases could include "long-term planning", "gradual progress", "perseverance", or "step-by-step achievement". No matter which similar saying you choose to use, the message is the same - success is a journey that requires persistence, determination and perseverance.