Simonides 543 PMG (Poetae Melici Graeci, ed. D.L. Page [1962], pp. 284-285); link with original Greek and translation by J.T. Kirby
Aischylos fr 47a.18-20 R (Tragicorum Graecorum Fragmenta vol. 3, ed. S.L. Radt [1985], p. 169)
Sophokles fr 165 R (Tragicorum Graecorum Fragmenta vol. 4, ed. S.L. Radt [1977], p. 174; also see fr 168, Tragicorum Graecorum Fragmenta, ed. A. Nauck [2nd ed. 1889], p. 169):
I do not know your enterprise; one thing I know; if this boy is living, I perish (translation by Silvio Curtis)
Gantz, Early Greek Myth (1993) 