Diogenes especially, and his followers. See also Seneca, De Tranq. c. 14, and Epist. 92; and in Cicero's Tusc. Disp. i. 43, the answer of Theodorus, the Cyrenian philosopher, to Lysimachus, who threatened him with the cross: "Threaten that to your courtiers; it is of no consequence to Theodorus whether he rot in the earth or in the air."