[3] National legislations usually embody the Berne Convention limits in one or more of the following requirements: In some countries the intended use of the work (educational, scientific, parodist, etc.)
The right to quote is especially important in continental Europe copyright law, where it covers some of the practices known elsewhere as fair dealing.
European jurisprudence is gradually extending the number of uses permitted under the right to quote, with some limits.
But if the work is published, i.e. no longer being edited prior to release, small quotations are legal.
[4] In Germany, the right to quote is extended considerably for research purposes and may even encompass complete works (e. g. texts, pictures, music or videos).