“It is blood which moves the wheels of history.”
Speech in Parma (13 December 1914) quoted in Foreign Affairs, May 1924, p 234 https://books.google.com/books?id=DsRYAAAAMAAJ&pg=RA1-PA234&lpg=RA1-PA234&dq=%22It+is+blood+which+moves+the+wheels+of+history!%22&source=bl&ots=v0BzInFnc_&sig=gEqKCdgCipviuomrOppXZrk6E_E&hl=en&sa=X&ved=0ahUKEwjgtZuZvY_ZAhXJmeAKHWwWB_EQ6AEIUTAG#v=onepage&q=%22It%20is%20blood%20which%20moves%20the%20wheels%20of%20history!%22&f=false
1910s
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Canto XXXIII, closing lines, as translated by Henry Wadsworth Longfellow
The Divine Comedy (c. 1308–1321), Paradiso
Context: As the geometrician, who endeavours
To square the circle, and discovers not,
By taking thought, the principle he wants,Even such was I at that new apparition;
I wished to see how the image to the circle
Conformed itself, and how it there finds place;But my own wings were not enough for this,
Had it not been that then my mind there smote
A flash of lightning, wherein came its wish. Here vigour failed the lofty fantasy:
But now was turning my desire and will,
Even as a wheel that equally is moved, The Love which moves the sun and the other stars.

[Swami Tapasyananda, Swami Nikhilananda, Sri Sarada Devi, the Holy Mother; Life and Conversations, 297]

Family and Community: (p. 35)
The Path to Enlightenment is not a Highway, 1996

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 564.

1900s, The Moral Equivalent of War (1906)
Source: Masters of the Maze (1965), Chapter 4 (p. 57)