never say die

Translations
никогда не говори умереть
Even in the toughest situations, he always says, 'Never say die!'
Даже в самых сложных ситуациях он всегда говорит: 'Никогда не говори умереть!'
Definitions
An expression used to encourage perseverance and determination, meaning to never give up or lose hope, even in difficult situations.