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More samples

This is a collection of quotations from the book The Master and his Emissary by Iain McGilchrist. See About this experiment for more.
This is a collection of quotations from Stephen Downes’s article about Consciousness.

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These quotations are taken from Self-organization of complex, intelligent systems: an action ontology for transdisciplinary integration by Francis Heylighen, source.
See them as hypertextTry it yourself.
These are entries from Duden Etymologie: Herkunftswörterbuch der deutschen Sprache, Mannheim 1997.
See more on a wikiTry it yourself.
This is the famous Zettelkasten of the systems theorist Niklas Luhmann, source.

If you want more samples, there is an arbitrary collection on this older page.