It's dialogue that gives your cast their voices, and is crucial in defining their characters.

Once I fell in love with books, I fell in love completely.

Take the dead from the dead, the old proverb said; only a corpse may speak true prophecy.

They were trying to run, trying to hide. But the rock would not hide them; the dead tree gave no shelter.

It had that comfortably sprung, lived-in look that library books with a lively circulation always get; bent page corners, a dab of mustard on page 331, a whiff of some reader's spilled after-dinner whiskey on page 468. Only library books speak with such wordless eloquence of the power good stories hold over us, how good stories abide, unchanged and mutely wise, while we poor humans grow older and slower.

...women are better at keeping secrets, but men are more comfortable with them.

The Tower. He would come to the Dark Tower and there he would sing their names; there he would sing their names; there he would sing all their names. The sun stained the east a dusky rose, and at last Roland, no longer the last gunslinger but one of the last three, slept and dreamed his angry dreams through which there ran only that one soothing blue thread: There I will sing all their names!