Here are several ways to express optimism in Ukrainian:

1. Все буде добре (Vse bude dobre) – “Everything will be fine.” A common way to express hope and optimism about the future.
2. Не хвилюйся, все вирішиться (Ne khvylyuisya, vse vyrishytsya) – “Don’t worry, everything will be resolved.” Used to reassure someone that things will work out.
3. Я вірю, що все буде добре (Ya viryu, shcho vse bude dobre) – “I believe that everything will be fine.” Expressing personal belief in a positive outcome.
4. Все буде якнайкраще (Vse bude yaknaykrashche) – “Everything will be the best.” A way to show confidence that things will turn out great.
5. Ми впораємося! (My iporayemosya) – “We will manage!” Used to express confidence that challenges can be overcome.
6. Не сумуй, попереду тільки краще (Ne sumuy, poperedu til’ky krashche) – “Don’t be sad, only better things are ahead.” A way to encourage someone that good things are coming.
7. Завжди є надія (Zavzhdy ye nadiya) – “There is always hope.” Expressing that there is always a possibility for a positive outcome, no matter the circumstances.
8. Всякі труднощі – це тимчасово (Vsyaki trudnoshti – tsee tymchasovo) – “All difficulties are temporary.” A reminder that challenges are short-lived.

These expressions can help convey a sense of hope, belief in a positive outcome, and encouragement.