Many times we lose the opportunity because we are not aware of the opportunity presented tom us.
See the human life, it is an opportunity to put and end to all sufferings including that of death. It comes to us in billions of years!
But it is wasted because we are not aware of the opportunity.
Human life, which is spent in the hope of getting happiness from this world, ends only pains and distress. It is well established that happiness originates within mind. A disturbed mind cannot be happy whatever amount of luxury may be provided.
Therefore, hope of getting happiness or satisfaction from this life should be replaced by hope of seeking spiritual happiness.
Everyone has right to hope. True. Only thing is hope should be in the right place. The hope that you will get butter from white water made of chalk will lead to despair some day while the hope of getting butter from milk of cow will materialize one day.
Therefore, optimism is welcome only that it should be directed into proper channel