We cannot always control our thoughts, but we can control our words, and repetitionimpresses the subconscious, and we are then master of the situation.
A pessimist sees only the dark side of the clouds, and mopes; a philosopher sees both sides, and shrugs; an optimist doesn't care. Momentum is wht it wants to gather.
Reasonand emotion are not antagonists. What seems like a struggle between twoopposing ideas or values, one of which, automatic and unconscious, manifestsitself in the form of a feeling.