כִּ֣י לֹ֥א יִזְנַ֛ח לְעוֹלָ֖ם אֲדֹנָֽי׃
car le Seigneur ne délaisse pas à tout jamais;
Tze'enah Ure'enah
“Because” [3:31]. Because he does not leave the Holy One, therefore God is an assurance for him.
Rashi
For God does not forsake forever. It is therefore good to wait.