But let patience have her perfect work, that ye may be perfect and entire, wanting nothing. Maturity is the ability to control anger and settle differences without violence. Maturity is patience. It is the willingness to postpone immediate gratification in favor of the long-term gain.
Maturity is humility.
Maturity is the ability to make a decision and stand by it, as opposed to the immature person who spends their life exploring endless possibilities and then doing nothing.