The man whose book is filled with quotations, may be said to creep along the shore of authors, as if he were afraid to trust himself to the free compass of reasoning. – Quoted unattributed in The Universal Magazine of Knowledge and Pleasure, April 1

An anthology of quotations is a museum of utterances. – Gary Saul Morson, The Words of Others: From Quotations to Culture, 2011

It is a good thing for an uneducated man to read books of quotations. Bartletts Familiar Quotations is an admirable work, and I studied it intently. The quotations when engraved upon the memory give you good thoughts. They also make you anxious to read the authors and look for more. – Sir Winston Churchill

Then your words of abuse today may turn into a universally valid principle of denigration, for words are magical formulae. They leave fingermarks behind on the brain, which in the twinkling of an eye becomes the footprints of history. One ought to watch one’s every word. – Franz Kafka, quoted by Gustav Janouch, Conversations with Kafka