in my personal opinion or belief
en mi opinión personal o creencia (en mi opinion personal o creencia)
"To my mind, this plan will work perfectly."
"En mi opinión, este plan funcionará perfectamente." (en mi opinion este plan funcionara perfectamente)
to continue despite difficulties
to help someone's skills and abilities grow and develop
To stop doing something that is no longer profitable.
to behave in a confident and assured way
to reach a stage of maturity or full potential
to decide to achieve something; to aim for a specific goal