never doubt (oneself)

Translations
никогда не сомневаться (в себе)
She was told to never doubt herself, even in difficult times.
Ей сказали никогда не сомневаться в себе, даже в трудные времена.
Definitions
To always have confidence in oneself and one's abilities; to not question or second-guess one's own decisions, actions, or worth.
Words
never

adverb
никогда
doubt

verb
сомневаться
oneself

pronoun
себя