They told me, Heraclitus, they told me you were dead,
They brought me bitter news to hear and bitter tears to shed.
I wept, as I remembered, how often you and I
Had tired the sun with talking and sent him down the sky.
His blend of sensitivity and detachment, elegance, wit, and learning, had a profound influence on later Roman poets, especially Catullus, Ovid, and Propertius (the last thought of himself as the Roman Callimachus), and through them on the whole European literary tradition.
D. E. W. Wormell, in The Penguin Companion to Literature (Harmondsworth: Penguin, 1969) vol. 4, p. 47.
The most outstanding intellect of this generation, the greatest poet that the Hellenistic age produced, and historically one of the most important figures in the development of Graeco-Roman (and hence European) literature.
A. W. Bulloch, in P. E. Easterling and B. M. W. Knox (eds.) The Cambridge History of Classical Literature (Cambridge University Press, 1989) vol. 1, part 4, p. 9.