Birth is nothing where virtue is not

Virtue in this world should be malleable.

I prefer a pleasant vice to an annoying virtue.

Hypocrisy is a fashionable vice, and all fashionable vices pass for virtue

Some of the most famous books are the least worth reading. Their fame was due to their having done something that needed to be doing in their day. The work is done and the virtue of the book has expired.

One ought to look a good deal at oneself before thinking of condemning others.