Definition.com
The Idealist is one who finds it almost as hard to live up to his ideals as to pay his debts.
Definition.com
An Idealist is one who, on noticing that roses smell better than a cabbage, concludes that it will also make better soup.
Definition.com
The Idealist is one who upon observing that a rose smells better than a cabbage concludes that it will also make better soup
Definition.com
The Idealist is one who cannot be reformed: if he is driven out of his heaven, he makes an ideal out of his hell.