Two Strings to his Bow
(He has). He is provided against contingencies; if one
business or adventure should fail, he has another in reserve; two
sweethearts; two devices, etc.
“Duabus anchoris nititur” (i.e.
“He is doubly moored”), or
“Duabus anchoris sis fultus.” Greek:
“Il a deux cordes a son arc.” Italian:
“Navigar per piu
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894