A man needs to go beyond book.He should not confined himself to text book.Unless he dives deep into ocean of knowledge he will remain ignorant of the nitty gritty or brass tacks of realities.Committing to memory has become the order of the day which is an utter negation of creation.So be creative. If reason sense logic were saleable comodities the rich would have been v logical sensible reasonable rational creature.And the poor were totally illogical unreasonable irrational insensible.But the realities on ground r paradoxical.So Allah is Supreme judge.