All is not lost
Definition 1 of 1
Pro Tip 1/3Optimistic Tone
Use 'all is not lost' to uplift someone with hope and optimism, especially after a disappointment. 
Their performance was poor this season, but all is not lost; they can still redeem themselves.
Pro Tip 2/3Expressing Resilience
'All is not lost' is often used to emphasize resilience and the determination to continue despite challenges. 
After the financial loss, she remained confident, saying 'All is not lost; we can recover.'
Pro Tip 3/3Motivating Action
The phrase can inspire action by implying that efforts can still be made to improve a situation. 
Yes, we're behind schedule, but all is not lost. Let's focus and turn this around!