The Colloquies of Erasmus, Volume I.

The little book has increased to the fair size of a volume.

这本小册子已扩充成相当规模的卷册。

You must also endeavour, in proportion as your age increases, to improve in sound learning and integrity of manners.

你也必须努力，随着年龄的增长，在扎实的学识与品行上不断进步。