This is the 6145th most frequent Russian word.
судьбе
"Судьбе" means "to fate" or "to destiny" in English.
In this sentence, 'судьбе' is in the dative case, used to indicate trusting someone or something.
Мы должны довериться судьбе.
We must trust in fate.
Here, 'судьбе' is dative, showing the agent or entity determining outcomes.
Всё решается судьбе, и нам остаётся только посмотреть.
Everything is decided by fate, and we can only observe.
In this sentence, 'судьбе' is in dative case, expressing 'thanks to' a cause or reason.