Knowledge comes from educating people to do good or bad. Education is the birthright of each and every child on this planet. Education is free to be accepted by all groups of people small or old irrespective of their caste,creed,color, etc. It helps a person gain knowledge to prove that he is not a fool. However it has some disadvantages also.
Suicide : Most age groups of children, especially teenagers are committing suicide due to overloaded with pressure from books.
Atomic Explosions : Man had not learnt how to create things which are helpful but as time advanced man learnt almost anything and everything. Due to this knowledge of everything of man had put the world in trouble. Due to education received by some scientists they had invented a nuclear atomic bomb which was exploded over Hiroshima and Nagasaki in Japan.So we say everything in his world has advantages and disadvantages so education has advantage but a slight more disadvantage. A proverb well said,"All study and no play makes Jack a dull boy".