by and by

US /baɪ ən ˈbaɪ/
UK /baɪ ən ˈbaɪ/
"by and by" picture
1.

eventually; after a period of time

:
•
The sun will come out by and by.
•
We'll get there by and by, don't worry.
:
eventuallypresentlysoonultimatelyin due course