Compare "On Education," § xvii.

Chilo was one of the Seven Wise Men. See Pausanias, iii. 16; X. 24.

For the circumstances see Euripides, "Medea," 1136 sq.

For the friendship of Theseus and Pirithous, see Pausanias, i. 17; x. 29. The line is from Euripides, "Pirithous," Fragm. 591. Cf. "On Shyness," § x.

Thucydides, ii. 51.