to improve yourself beyond what you thought possible
自分が可能だと思っていた以上に成長すること (jibun ga kanou da to omotte ita ijou ni seichou suru koto)
"You will grow beyond limits once you believe in your abilities."
"自分の能力を信じると、限界を超えて成長できるようになります。" (Jibun no nouryoku wo shinjiruto, genkai wo koete seichou dekiru you ni narimasu)
to give your opinion or influence a discussion
to stop blaming yourself for past mistakes
when something unpleasant like rain or cold begins and seems...
to stop being sad or depressed and return to a normal state
to increase optimism or trust in the economy
to not let negative emotions or situations affect you