"I am an optimist, unrepentant and militant. After all, in order not to be a fool an optimist must know how sad a place the world can be. It is only the pessimist who finds this out anew every day"

This quote by Peter Ustinov talks to the power of optimism and how it can be used to combat the unhappiness of the world. Ustinov recommends that optimism is a conscious choice, which it is just through actively picking to be an optimist that one can prevent being a fool. He also acknowledges that the world can be a sad place, however that it is only the pessimist who is reminded of this truth every day. Ustinov's quote motivates us to be unrepentant and militant in our optimism, to actively select to see the world in a positive light in spite of its sadness. He suggests that by doing so, we can make the world a much better place and find pleasure in the midst of sadness.