What do the sentence Feelings of exasperation should be quelled by talking oneself into reserved optimism mean?

Answer 1

Feelings of exasperation should be quelled by talking oneself into reserved optimism'

To my mind - this means:- Any negative feelings should be reversed by convincing oneself that being optimistic will reduce anxiety.

Answer 2

This sentence suggests that when feeling frustrated, one should try to shift their perspective to a more positive and hopeful outlook by self-talk. It encourages replacing negative emotions with a restrained sense of hopefulness.