All of his works have been lost, and survive now only in quotations.

This work, such as it is known, exists only in quotations by other authors.

Only a few of his objections are preserved, in quotations by other authors.

He says this as if in quotation marks and gives a slight laugh.

While the record no longer exists, a fragment of its contents may be found in quotations.

Today it is celebrated in songs, movies, theatre, and quotations.

The text as a whole is lost, but substantial fragments survive in quotations by later authors.

Here, in summary or in direct quotation, are his conclusions.

The book is very rich in quotations from both Christian and Islamic authors.

Odd, since she herself has done so repeatedly and his book's dust jackets aren't lacking in quotations.