a promise is a promise

A phrase emphasizing that a promise should be kept. I know you feel differently now, but you said you would help me, and a promise is a promise!

Name	Pronounced	Usage
Melville	MEL-vil	English
Lanre	-	Western African, Yoruba
Tatjana	TAHT-yah-nah (Finnish)	Serbian, Croatian, Slovene, Macedonian, German, Latvian, Lithuanian, Finnish
AugustÍN	-	Slovak, Czech
Onesimos	-	Ancient Greek, Biblical Greek
Deonte	-	African American (Modern)