For however often a man may receive an obligation from you, if you refuse a request, all former favors are effaced by this one denial.
Pliny the YoungerSo we must work at our profession and not make anybody else's idleness an excuse for our own. There is no lack of readers and listeners; it is for us to produce something worth being written and heard.
Pliny the YoungerIt is difficult to retain what you may have learned unless you should practice it. -Difficile est tenere quae acceperis nisi exerceas
Pliny the YoungerLet us strive the more earnestly therefore to lengthen out our span of life-- life that is poured out like water and falls as the leaf-- if not by action (the means to which lie in another's power), yet in any case by study and research; and since it is not granted us to live long, let us transmit to posterity some memorial that we have at least lived.
Pliny the Younger