how to developed good nature in a baby

A. Hai good evening !! As babies 2-5 years has more grasping power they do what they see. So try to check baby environment,play area ,school all are well mannered . Of course at times babies do indiscipline things,learn/attract to bad things easily - Say them what is good &bad,well manners,table etiquitte,sharing things with friends ,siblings , care for each other,greetings ,involving social gatherings,family gatherings .