The phrase "Rome was not built in a day" is often used as a proverb to remind us that some things take time and effort to achieve, and cannot be accomplished overnight. Other common synonyms or expressions with similar meanings include "slow and steady wins the race," "patience is a virtue," "good things come to those who wait," "all good things take time," "the road to success is long and winding," and "nothing worth having comes easy." These phrases all emphasize the importance of perseverance, endurance, and hard work in achieving our goals, and remind us not to give up or become discouraged when progress is slow or setbacks occur.