If you want to know…
If you want to know the taste of a pear, you must change the pear by eating it yourself…. All genuine knowledge originates in direct experience. – Mao Zedong [Tse-tung] (1893 – 1976): Speech, July 1937, Yanan [Yenan], China More »











![IMAGE: The usefulness of (the) useless. [Everyone knows the usefulness of useful things, but no one knows the usefulness of useless things. / Everyone knows the use of the useful, but not the use of the useless.] (Even if something did not bring immediate benefit, it could still turn out to be valuable.)](https://www.ok312.net/wp-content/uploads/2026/01/place-name-sign-822236_640-100x71.jpg)




