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
Jamillah	-	Arabic
Sive	SIEV	Irish
Jocky	-	Scottish
Henrietta	hen-ree-ET-ə (English)	English, Hungarian, Finnish, Swedish, Dutch
Bidane	-	Basque
Pauliina	POW-lee:-nah	Finnish