is a dreamer by nature vs I'm a dreamer by nature

Some examples from the web:

• He dreams of singing, he is a dreamer.
• You said the youth is a dreamer...
• The Directory states Sashio had webbed underarms, a bone-marrow deficiency, a scratched face and that she is a dreamer, Category One.
• Basically, what we have here is a dreamer. someone completely out of touch with reality.
• I know he is a dreamer, but he is a great scientist.
• A dreamer so absorbed in cherry blossoms...
• We came to remember a dreamer.
• Orkin a head, Ima Dreamer by one.
• Sky and sun - a dreamer.
• Because I'm a dreamer and a self-appointed dream maker.
• My mother said that my father was a dreamer.
• You're a dreamer, Lex Luthor.
• In conclusion, I am a scientist and a dreamer.
• He is no more than a dreamer.
• Like always, you are a dreamer.
• Because, Celine, I'm a dreamer.
• You might not admit it, but you're a dreamer.
• Your mother wasn't a dreamer.
• Bertie's more of a dreamer than is good for him.
• -Your brother's a dreamer.

Some examples from the web:

• Because I'm a dreamer and a self-appointed dream maker.
• Because, Celine, I'm a dreamer.
• You know I'm a dreamer But my heart's of gold I had to run away high
• I'm a bit of a dreamer at heart.
• Raymond's always been a dreamer, and his dreams are boundless, which I'm sure you realise isn't common in Collingwood.
• Yet it was John Lennon himself who added, 'You may say I'm a dreamer'.
• I'm in communications now, but the point I'm trying to make is by nature I'm a comedian.
• Without you I'm just a dreamer... but with you... there's not a thing in this world that I can't do.
• I'm a realist, a dreamer, an adventurer, a lover of Harry Potter, vintage safes, all things Jamaican.
• I'm a loner by nature.
• But I'm an optimist by nature.
• But forgive me, I'm cynical by nature.
• But, you see, I'm optimistic by nature.
• -I'm very competitive by nature.
• I mean, I'm bossy by nature.
• Adam... I'm a very conservative person by nature.
• Pretending she's not listening I'm a dreamer too l dream of the day l will recover freedom Even if it's late
• I'm not a sentimentalist by nature... but I think I know what's in every heart in this room.
• I am a very skeptical person by nature, But I'm telling you there are books and articles.
• But the fact still is, I'm a dancer by nature.