New things are easier to do than old familiar things when there's going to be a change," Betsy decided profoundly.

I continue to be interested in new things that seem old and old things that seem new.

Myśli te zaprawione były pewną goryczą ludzi starych, którzy więcej cierpią nad utratą rzeczy dawnych, niż cieszą się z nadejścia nowych.

The old resists the new one.
'Change hurts' is the reason.

Old things become new when slight modifications are done to them

If any man be in Christ, he's a new preacher. The old things are passed away and all things become new.