Ἐὰν ᾖς φιλομαθής, ἔσει πολυμαθής → If you are studious, you will become learned.
in time: P. and V. χρόνῳ, διὰ χρόνου, V. χρόνῳ ποτέ, σὺν χρόνῳ, ἐν χρόνῳ; see hereafter.
at last: P. and V. τέλος.