
“As iron is eaten away by rust, so the envious are consumed by their own passion.”
§ 5
From Lives and Opinions of the Eminent Philosophers by Diogenes Laërtius
Antisthenes, 4.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 6: The Cynics
“As iron is eaten away by rust, so the envious are consumed by their own passion.”
§ 5
From Lives and Opinions of the Eminent Philosophers by Diogenes Laërtius
Irshadul Qulub; Page 78
Shi'ite Hadith
The Notebooks of Leonardo da Vinci (1883), XIX Philosophical Maxims. Morals. Polemics and Speculations.
Variant: Just as iron rusts from disuse... even so does inaction spoil the intellect.
“Lies are rust on iron. A blemish on power.”
Source: Golden Son (2015), Ch. 15: Truth; Aja
“Reader, pray that soon this Iron Age
Will crumble, and Beauty escape the rusting cage.”
"Beauty in This Iron Age" in Starlanes #11 (Fall 1953); re-published in Pearls From Peoria (2006)
§ 5
From Lives and Opinions of the Eminent Philosophers by Diogenes Laërtius