Do not try to prove yourself, be the good person always, live up your character always, but do not promote yourself, let the good make the noise.
Do not try to brag yourself, do the work in silence, let success make the noise.
Aim for something big, but in the meanwhile do not brag about your success, or about good works, let it alone make noise.
As when we are preaching about our success, it shows that we are attached to it, but in reality, detachment is the best way to grow faster.
Wish you a happy life!!