maybe

"Maybe even God only exists from time to time," the chief inspector added quietly.  
"Maybe," Gregory replied indifferently. "But the gaps in his indifference are very wide, you know."
He stood up, walked over to the wall, and stared at a photograph without seeing it.
"Maybe even we ..." he began hesitantly, "even we exist from time to time; I mean: sometimes less, sometimes almost disappearing, dissolving, and then, with sudden spasm, a sudden spurt that disintegrates the memory center, we merge for a moment ... for a day ... and we become—"
He stopped abruptly. After a moment he spoke again in a different tone of voice.
"Forgive me for going on like that. It's all nonsense. Maybe ... It's time for me to go."

—Stanislav Lem, The Investigation