I like Robert Frost's work for its simplicity and directness and his insight on humanity. I like Ogden Nash's work for his quirky sense of humor. Beyond that, I like certain poems for no reason I can put my finger on besides my mood at the moment.

This is one of my other favorites, by Stephen Crane.

Quote
A man said to the universe:
"Sir, I exist!"
"However," replied the universe,
"The fact has not created in me
A sense of obligation."

Life isn't a support system for writing. It's the other way around.

- Stephen King, from On Writing