0 someone who always believes that good things will happen: --
She's a born optimist (= someone who has always been optimistic).
1 someone who feels that good things are more likely to happen than bad things: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.