To learn more about trackback, please choose one of the following links: Trackback
Nor stony tower, nor walls of beaten brass,
Nor airless dungeon, nor strong links of iron,
Can be retentive to the strength of spirit.
—William Shakespeare (1564–1616)
Or visit any of the related category links to trackback found on this page or elsewhere on the site.
My sister and I, you will recollect, were twins, and you know how subtle are the links which bind two souls which are so closely allied.
—Sir Arthur Conan Doyle (1859–1930)