Persistent
Part of speech: adjective
Definition: Obstinately refusing to give up or let go. Insistently repetitive. Indefinitely continuous. Lasting past maturity without falling off. About some data or data structures: existing after the execution of the program. Remaining in existence past the lifetime of the program that creates it. Describing a fractal process that has a positive Brown function
Example sentence: I think the American Dream says that anything can happen if you work hard enough at it and are persistent, and have some ability. The sky is the limit to what you can build, and what can happen to you and your family.
Lasting
Part of speech: adjective
Definition: Persisting for an extended period of time.
Example sentence: The real and lasting victories are those of peace, and not of war.