it is a matter of (doing something)

What is important is (doing something). It's a matter of sticking with the program in order to succeed.

Name	Pronounced	Usage
Yelizaveta	ye-lee-zah-VYE-tah, ee-lee-zah-VYE-tah	Russian
Philotheos	-	Ancient Greek
Octavia	[ɔk'teiviə]
İLyas	-	Turkish
Lene	LE-nə (German), LE-ne (Danish, Norwegian)	German, Danish, Norwegian
Jayne	JAYN	English