Objects which are usually the motives of our travels by land and by sea are often overlooked and neglected if they lie under our eye.
Pliny the YoungerThey enhance the value of their favors by the words with which they are accompanied.
Pliny the YoungerFor 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 Younger