die Hauptsache
Translation
the main thing, the important point, the bottom line
Examples
Das ist die Hauptsache.
That is the main thing.
Hauptsache, du bist gesund.
The main thing is that you are healthy.
Kommen wir zur Hauptsache.
Let's get to the main point.
Grammar Patterns
die Hauptsache sein/ist... to be the main thing Das ist die Hauptsache.
Hauptsache, + [clause] The main thing is that... Hauptsache, wir haben Spaß.
Similar Words
das Wichtigste (the most important thing), Priorität (priority); Antonyms: Nebensache
Etymology
From 'Haupt' (head, main) + 'Sache' (thing, matter). Literally the 'head thing' or 'main matter'.
Memory Tips
Think of it as the 'head' (Haupt) of all the 'things' (Sache) you need to consider. It's structured just like 'main thing'.