“Of that whereof one cannot speak, thereof one should remain silent.” With these words, published in 1921, Ludwig Wittgenstein concluded his Tractatus Logico-Philosophicus and brought Western philosophy, as it had been known, to an end. Thereafter all schools of philosophy should have become centers of silent contemplation, as in Yoga or Buddhist meditation. But, on the principle of “publish or perish,” even Wittgenstein had to keep on talking and writing, for if the philsopher [sic] remains silent we cannot tell whether he is really working or simply goofing off.

(Alan Watts, “Philosophy Beyond Words,” chap. 12 in The Owl of Minerva: Philosophers on Philosophy, ed. Charles J. Bontempo and S. Jack Odell [New York: McGraw-Hill Book Company, 1975], 191-200, at 191)