Bitter certainty: J.H. Leopold on ‘Umar Khayyám. J.D.F. van Halsema.
In: The great ‘Umar Khayyám. Leiden, Leiden University Press, 2012. pp. 129-134.

In this contribution Van Halsema discusses how the poet J.H. Leopold (1865-1925) focused on philosophy between 1900 and 1906, seeking to solve the problem of human loneliness. He studied Stoa, Epicurus, Spinoza, Descartes, Hume, and Kant closely, and then, in 1904, he found ‘Umar Khayyám.