It simply isn't an adventure worth telling if there aren't any dragons.

Farewell! wherever you fare, till your eyries receive you at the journey’s end!

For the trouble with the real folk of Faerie is that they do not always look like what they are; and they put on the pride and beauty that we would fain wear ourselves.

Haldir had gone on and was now climbing to the high flet. As Frodo prepared to follow him, he laid his hand upon the tree beside the ladder: never before had he been so suddenly and so keenly aware of the feel and texture of a tree's skin and of the life within it. He felt a delight in wood and the touch of it, neither as forester nor as carpenter; it was the delight of the living tree itself.

Upon the hearth the fire is red, Beneath the roof there is a bed; But not yet weary are our feet, Still round the corner we may meet A sudden tree or standing stone That none have seen but we alone. Tree and flower and leaf and grass, Let them pass! Let them pass!

His head was swimming, and he was far from certain even of the direction they had been going in when he had his fall. He guessed as well as he could, and crawled along for a good way, till suddenly his hand met what felt like a tiny ring of cold metal lying on the floor of the tunnel. It was a turning point in his career, but he did not know it. He put the ring in his pocket almost without thinking; certainly it did not seem of any particular use at the moment.

Dead men are not friends to living men, and give them no gifts. (Ghan-buri-Ghan, of allies during war)