Sentence examples similar to persevering devotion from inspiring English sources

So why do fans of teams that rarely offer the thrill of victory and routinely deliver the agony of defeat persevere in their devotion?

It means "total devotion".

This devotion is sincere.

Maternal devotion.

But he's persevering.

Industrious, persevering, sexless.

This devotion confuses me.

Why the devotion?

"Devotion isn't enough".

Saint of my devotion.

That's devotion.