...Van tortured himself with thoughts of insufficient filial affection—a long story of unconcern, amused scorn, physical repulsion, and habitual dismissal. He looked around, making wild amends, willing her spirit to give him an unequivocal, and indeed all-deciding sign, of continued being behind the veil of time, beyond the flesh of space. But no response came, not a petal fell on his bench, not a gnat touched his hand.

Auteur: Vladimir Nabokov