on nightfall...

I was still staring when his eyes suddenly shifted back to mine.

"It's the safest time of day for us," he said, answering the unspoken question in my eyes. "The easiest time . But also the saddest, in a way... the end of another day, the return of the night. Darkness is so predictable, don't you think?" He smiled wistfully.

"I like the night. Without the dark, we'd never see the stars." I frowned.

p. 233
Twilight
Edward Cullen and Bella Swan