Hope for the best
Definition 1 of 1
Pro Tip 1/3Emotional Optimism
This phrase reflects a positive emotional state, suggesting hope despite uncertainty. 
I'm not sure if I'll pass the test, but I'll hope for the best.
Pro Tip 2/3Mild Uncertainty
It acknowledges that the outcome is uncertain but leans toward a positive expectation. 
The weather looks bad, but let's hope for the best.
Pro Tip 3/3Not a Guarantee
Remember, 'hope for the best' does not mean success is assured, it's about a mindset. 
We've prepared well for our presentation, so let's hope for the best.