Meanings
It takes a long time to create something complicated or impressive.
Example: "I know this project is a big undertaking, but you need to have patience and be hopeful. Remember that Rome wasn't built in a day."
Example Sentences
1
Learning a new language takes time and effort, Rome wasn't built in a day.
2
Don't expect to become an expert overnight, remember Rome wasn't built in a day.
3
Building strong relationships with people requires patience because Rome wasn't built in a day.
4
Getting in shape and losing weight is a gradual process, just like Rome wasn't built in a day.
5
Mastering a musical instrument takes years of practice, Rome wasn't built in a day.