In a world in which spiritual techniques, teachers, concepts, and organizations are legion.

The Politics of Aristotle is the second part of a treatise of which the Ethics is the first part.

No Name is a 19th-century novel by the master of sensation fiction, Wilkie Collins.

Following the Equator is an account by Mark Twain of his travels through the British Empire in 1895.

Unto This Last is an essay on economy by John Ruskin.

Lucius Annaeus Seneca, also known as Seneca, or Seneca the Younger, was a Roman Stoic philosopher.

Lucius Annaeus Seneca, also known as Seneca, or Seneca the Younger, was a Roman Stoic philosopher.

Charles Eastman, whose Sioux name was Ohiyesa (pronounced Oh hee' yay suh).

Oscar Wilde was one of the most successful playwrights of the Victorian era.

Charles Eastman, whose Sioux name was Ohiyesa (pronounced Oh hee' yay suh).

Gertrude Stein's Tender Buttons: Objects, Food, Rooms from 1914 is a poetic exploration of words.

Aeneas appears in The Illiad in vague snatches and starts as a traveling warrior of great piety.

Considered by critics to be one of the best tragedies of the English Renaissance.

The metaphysical thriller The Man Who Was Thursday: A Nightmare, written by G. K. Chesterton in 1908.

Samuel Butler's Erewhon, or Over the Range was published anonymously 1872.

The teacher of religion needs to be very sure of himself at one point.

This author-physician's cure for nerves vividly recalls the simplicity of method.

For those who would aspire to the gift of pure vision, and in whom the faculty is striving.

The City of the Sun is an important early utopian work by Italian philosopher Tommaso Campanella.

Utilitarianism is philosopher John Stuart Mill's defense and advocacy of utilitarian ethics.