For Isildur would not ...

For Isildur would not surrender it to Elrond and Círdan who stood by. They counselled him to cast it into the fire of Orodruin night at hand... But Isildur refused this counsel, saying: \'This I will have as weregild for my father\'s death, and my brother\'s. Was it not I that dealt the Enemy his death-blow?\' And the Ring that he held seemed to him exceedingly fair to look on; and he would not suffer it to be destroyed.
For Isildur would not surrender it to Elrond and Círdan who stood by. They counselled him to cast it into the fire of Orodruin night at hand... But Isildur refused this counsel, saying: 'This I will have as weregild for my father's death, and my brother's. Was it not I that dealt the Enemy his death-blow?' And the Ring that he held seemed to him exceedingly fair to look on; and he would not suffer it to be destroyed.

Quotes from the same author

Not all those who wander are lost.
War must be, while we defend our lives against a destroyer who would devour all; but I do not love the bright sword for its sharpness, nor the arrow for its swiftness, nor the warrior for his glory. I love only that which they defend.
He was as noble and fair in face as an elf-lord, as strong as a warrior, as wise as a wizard, as venerable as a king of dwarves, and as kind as summer.
Outside the ring of dancing warriors with spears and axes stood wolves at a respectful distance, watching and waiting.
Of the twelve companions of Thorin, ten remained. Fili and Kili had fallen defending him with shield and body, for he was their mother’s elder brother.