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
Hirah	-	Biblical
Sharru-Kinu	-	Ancient Near Eastern
Karol	['kærəl]
Ladonna	lə-DAHN-ə	African American
Yordana	-	Bulgarian
Driver	['draivə]