And now that Dionysius was there they would not let him go, but bound him and kept him indoors under lock and key, while they themselves prepared for their attack.
Edition :
Plutarch. Plutarch's Lives. with an English Translation by. Bernadotte Perrin. Cambridge, MA. Harvard University Press. London. William Heinemann Ltd. 1926. 11.
Remark :
motive: Aratus and Erginus try to keep Dionysios quiet in order to accomplish their plan to capture the citadel.