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Μία χελιδὼν ἔαρ οὐ ποιεῖ → One swallow does not a summer make
frequently: P. συχνόν, Ar. and P. πυκνά, P. and V. πολλάκις, θαμά.
without break: Ar. and P. συνεχῶς, P. ἐνδελεχῶς.
through all: Ar. and P. διὰ παντός.