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
Rana (2)	-	Punjabi, Urdu, Bengali
Linford	LIN-fərd	English (Rare)
Nicoletta	-	Italian
VÍT	VEE:T	Czech, Slovak
Kajal	-	Indian, Hindi, Marathi
Bastiaan	BAHS-tee-ah:n	Dutch