Luka /bookwyrm/ quoted The Farthest Shore by Ursula K. Le Guin (The Earthsea Cycle, #3)
When the prince of Enlad declares the wizards have forgotten their spells, Ged sets out …
...when we crave power over life -endless wealth, unassailable safety, immortality- then desire for life becomes greed. And if knowledge allies itself to that greed, then comes evil. Then the balance of the world is swayed, and ruin weighs heavy in the scale.
— The Farthest Shore by Ursula K. Le Guin (The Earthsea Cycle, #3) (Page 39)