The Quotes canon

Sourced and curated.

Every quote has been curated by hand and carefully authenticated.
Browse all 10,075 quotes or apply filters in different categories to narrow your search.
2 quotes
Group bySubjectSpeakerEraGenre
Topic·Stagnation✕clear
The Renaissance1 quote
Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind. — Leonardo da Vinci · 1519