To have and not give is in some cases worse than stealing.
[Haben und nichts geben, ist in manchen Fällen schlechter als stehlen.]
Marie von Ebner-Eschenbach (1830-1916) Austrian writer
Aphorisms [Aphorismen], No. 41 (1880-1893) [tr. Wister (1882)]
(Source)
(Source (German)). Alternate translation:To have and not give is in some instances worse than stealing.
[tr. Scrase/Mieder (1994)]