“We learn history not in order to know how to behave or how to succeed, but to know who we are.”
"The Idolatry of Politics", U.S. Jefferson Lecture speech (1986)
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Leszek Kolakowski 45
Philosopher, historian of ideas 1927–2009Related quotes

“Do not judge yourself, but live with someone who knows how to behave himself properly.”
Saying 73

“We know how we were born, but know not how we will die.”

“What one knows is, in youth, of little moment; they know enough who know how to learn.”
The Education of Henry Adams (1907)
Context: ... education should try to lessen the obstacles, diminish the friction, invigorate the energy, and should train minds to react, not at haphazard, but by choice, on the lines of force that attract their world. What one knows is, in youth, of little moment; they know enough who know how to learn. Throughout human history the waste of mind has been appalling, and, as this story is meant to show, society has conspired to promote it. No doubt the teacher is the worst criminal, but the world stands behind him and drags the student from his course. The moral is stentorian. Only the most energetic, the most highly fitted, and the most favored have overcome the friction or the viscosity of inertia, and these were compelled to waste three-fourths of their energy in doing it.

Source: Battlefield of the Mind: Winning the Battle in Your Mind

As quoted in his obituary, Daily Telegraph (4 November 2009) http://www.telegraph.co.uk/news/obituaries/science-obituaries/6496558/Claude-Levi-Strauss.html
Context: The idea behind structuralism is that there are things we may not know but we can learn how they are related to each other. This has been used by science since it existed and can be extended to a few other studies — linguistics and mythology — but certainly not to everything.
The great speculative structures are made to be broken. There is not one of them that can hope to last more than a few decades, or at most a century or two.

“For in order to command well, we should know how to submit; and he who submits with a good grace will some time become worthy of commanding.”
Nam et qui bene imperat, paruerit aliquando necesse est, et qui modeste paret, videtur qui aliquando imperet dignus esse.
Book III, section 2; translation by Francis Barham
De Legibus (On the Laws)