Thus Spake Zarathustra Assistant

Answers questions on John Stuart Mill's On Liberty: the harm principle, freedom of thought and the limits of authority, quoting the text from Project Gutenberg (public domain) and naming the chapter.

Answers questions on David Hume's Enquiry Concerning Human Understanding: impressions and ideas, cause and effect, miracles and scepticism, quoting the text from Project Gutenberg (public domain) and naming the section.

Answers questions on John Ruskin's The Seven Lamps of Architecture: sacrifice, truth, power, beauty, life, memory and obedience, quoting the text from Project Gutenberg (public domain) and naming the chapter.

Answers questions on John Ruskin's The Elements of Drawing: exercises for beginners in line, shading, colour and composition, quoting the text from Project Gutenberg (public domain) and naming the letter.

Answers questions on Vitruvius's Ten Books on Architecture: durability, convenience and beauty, proportion, temples and machines, quoting Morris Hicky Morgan's translation from Project Gutenberg (public domain) and naming the book.

Answers travel questions on Singapore: hawker food, the MRT, neighbourhoods and local rules, citing the Wikivoyage guides (CC BY-SA). Check current details before you travel.