Source, in full
Phulter, in Tyr et Sidon (1608, rev. 1628) act 5, sc. 7. Reported in Craufurd Tait Ramage's Beautiful Thoughts from French and Italian Authors (Liverpool: Edward Howell, 1866) p. 1. Note: Jules Haraszti's edition of the play has 'foible' not 'faible' (Paris: Édouard Cornély et Cie, 1908) p. 167. Compare: Seneca, Ep. 98: "Fragilibus innititur, qui adventitio lætus est. "He leans on a feeble reed who takes pleasure in what is external to himself."