Augustine of Hippoc. 386
1. It is very wonderful how completely I was taken by surprise, when, on searching to discover which of your letters still remained unanswered, I found only one which held me as your debtor — that, namely, in which you request me to tell you how far in this my leisure, which you suppose to be great, and which you desire to share with me, I am ma...
augustine hippo, Letter 4