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.
Browse all 10,075 quotes or apply filters in different categories to narrow your search.
History of ideas3 quotes
The ruling ideas of each age have ever been the ideas of its ruling class. — Karl Marx · 1848No idea is so antiquated that it was not once modern. No idea is so modern that it will not someday be antiquated. — Ellen Glasgow · 1936A study of the history of opinion is a necessary preliminary to the emancipation of the mind. — John Maynard Keynes · 1926Ideas2 quotes
The ruling ideas of each age have ever been the ideas of its ruling class. — Karl Marx · 1848No idea is so antiquated that it was not once modern. No idea is so modern that it will not someday be antiquated. — Ellen Glasgow · 1936Class conflict1 quote
The ruling ideas of each age have ever been the ideas of its ruling class. — Karl Marx · 1848Education1 quote
A study of the history of opinion is a necessary preliminary to the emancipation of the mind. — John Maynard Keynes · 1926Education as liberation1 quote
A study of the history of opinion is a necessary preliminary to the emancipation of the mind. — John Maynard Keynes · 1926History1 quote
A study of the history of opinion is a necessary preliminary to the emancipation of the mind. — John Maynard Keynes · 1926Ruling class1 quote
The ruling ideas of each age have ever been the ideas of its ruling class. — Karl Marx · 1848