Cleanthes

Zeno was the great master of the Stoic philosophy; and Cleanthes was second to him in reputation.
Dryden's Works (13 of 18): Translations; Pastorals|John Dryden
Perhaps he is some Cleanthes, who has been a boxer in the public games.
Selections from the Prose Writings of John Henry Cardinal Newman|John Henry Newman
And the saying is found in two poets who flourished before the Christian era—namely, Aratius and Cleanthes.
Curiosities of Christian History|Croake James
The hymn of Cleanthes, in particular, is justly admired for the grandeur of its sentiments, and the sublimity of its diction.
Ancient and Modern Celebrated Freethinkers|Charles Bradlaugh, A. Collins, and J. Watts

You surprise me, replies a third, when you talk of Cleanthes as a man of business and application.
An Enquiry Concerning the Principles of Morals|David Hume

British Dictionary definitions for Cleanthes

Cleanthes

/ (klɪˈænθiːz) /

noun

?300–?232 bc, Greek philosopher: succeeded Zeno as head of the Stoic school

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012