In reality , a little worrying can lead to action , which is the principal way optimism bears fruit . Frida Ghitis : Scientists tell us optimism is good for us . Let 's not be delusional . She says `` it 's all good '' ignores when things are n't ; worrying leads us to fruitful action . She says Chamberlain in WWII a good example of blind optimism ; FDR example of useful optimism . Ghitis : Optimism for suckers ; pessimism often better . Comment:
Frida Ghitis : Scientists tell us optimism is good for us . Let 's not be delusional . She says `` it 's all good '' ignores when things are n't ; worrying leads us to fruitful action . She says Chamberlain in WWII a good example of blind optimism ; FDR example of useful optimism . Ghitis : Optimism for suckers ; pessimism often better . Comment: