“Turn your wounds into wisdom.”

The Caesars (c. 361)
Context: The trial that begins
Awards to him who wins
The fairest prize to-day.
And lo, the hour is here
And summons you. Appear!
Ye may no more delay.
Come hear the herald's call
Ye princes one and all.
Many tribes of men
Submissive to you then!
How keen in war your swords!
But now 'tis wisdom's turn;
Now let your rivals learn
How keen can be your words.

Source: Norwegian Wood

Main Street and Other Poems (1917), The Robe of Christ

In a speech to businessmen in Rio de Janeiro, on 20 May 2019. Brazil's Bolsonaro says political class is an impediment https://www.reuters.com/article/us-brazil-politics/brazils-bolsonaro-says-political-class-is-an-impediment-idUSKCN1SQ1VA. Reuters (20 May 2019).

Bande Mataram, 16 April 1907
India's Rebirth
Context: There are periods in the history of the world when the unseen Power that guides its destinies seems to be filled with a consuming passion for change and a strong impatience of the old. The Great Mother, the Adya Shakti, has resolved to take the nations into Her hand and shape them anew. These are periods of rapid destruction and energetic creation, filled with the sound of cannon and the trampling of armies, the crash of great downfalls, and the turmoil of swift and violent revolutions; the world is thrown into the smelting pot and comes out in a new shape and with new features. They are periods when the wisdom of the wise is confounded and the prudence of the prudent turned into a laughing-stock....