only the results matter; it's all about the results
Proverb-like expression emphasizing that the outcome is the most important thing, often used to dismiss excuses or processes.
No matter how hard you try, only the results matter.
In the business world, it's said that it's all about the results.
Standard kanji spelling using すべて.
Alternate kanji spelling using 全て; both are common.
A set phrase composed of 結果 (result) + が (subject marker) + すべて (everything). The exact origin is unclear, but it reflects a common pragmatic attitude.