The cosmos is interesting rather than perfect, and everything is not part of some greater plan, nor is all necessarily under control.
What parents inculcate in the child is permanently there because childhood is the most impressionable time of life.
Those who are ignorant of the supreme purpose of life will never be able to attain nirvana (liberation) in spite of their observance of the vratas (vows) and niyamas (rules) of religious conduct and practice of shila (celibacy) and tapas (penance).
The one who has deep knowledge of wide-ranging subjects has the capability to provide solutions to almost every problem. He has the intelligence required to understand the basic nature of the problem and then work accordingly towards finding its solution. He always gives right advice to the right people at the right time.
