FThe first half are sentences are about peace of my mind, and Lthe last half sentences are for my promotionconfidence.

First half sentences are about peace of my mind, and Lthe last half sentences are for my impromotionvement.

"Improvement" , "development" may express better the intended meaning.

Every morning jusRight after waking up each morning, I write down my nine mottos.

I rephrased the first part to flow a little better.
Also, "Right after waking up," means essentially the same thing as "just after waking up."

FThe first half of the sentences I write are about peace of my mind, and Last halfthe second half of the sentences are for my promotion.

I'm not sure what you mean by "my promotion" here. "Promotion" in English generally means "advancement in a job or career" or "advancement in a phase of life." Is this what you mean here?

Here are the sentences.:

- Think about happy things.

Just added a period (.) to this sentence and some of the others below.

- Don't gossip.

- When youth departs, may wisdom prove enough.

- Why be normal, Bbetter but less.

- Trust yourself.

When I am donefinish writing them, I become calm and havse mottos, I can be calm and focused and have the courage to live a better life.

Every morning, just after waking up, I write down my nine mottos.

FThe first halffew sentences are about my peace of my mind, and Lthe last half sentences are for my promotion.

- Glaciers moving three meters does not happen overnight.

- Why be normal, Bbetter but less

Every morning, just after waking up, I write down my nine mottos.

FThe first halffew sentences are about peace of my mind, and Last halfthe last few sentences are for my promotion.

Here are the sentences.;

When I am done writing them, I become calm and have the courage to live a better life.