Wovon man nicht sprechen kann, daruber muß man schweigen.
Ludwig Wittgenstein,
Tractatus logic-philosophicus. 1918

מה שלא ניתן לדבר אודותיו, יש לעבור עליו בשתיקה.
לודוויג ויטגנשטיין, טראקטאט לוגי-פילוסופי, 1918.
מגרמנית משה קרוי

Entin Square is at the entrance gate to the Tel Aviv University campus in Ramat Aviv.

The square is studded with cobblestones with quotes, sayings, illustrations or formulas of the great scientists, thinkers and writers.

In the next photo taken that day you can see the square and the way the tiles are laid Click for a larger image

Details about the square can be found here Click for sign's details

In the current plaque appears a claim by the Austrian-British philosopher Ludwig Wittgenstein(1889-1951). Wittgenstein who focused on the philosophy of language and that of mathematics was one of the great philosophers of the twentieth century.
The claim that appears on the plate is taken from his book Tractatus Logico-Philosophicus (Logical-Philosophical Essay), the only book published in the philosopher’s lifetime, which defines philosophy as dealing with logical facts. The book has 7 basic sentences, of which the quote on the plate is the last one.

Three months later, the same square was photographed, during that action it was discovered that a number of pavements had been removed and other pavements had been placed in their place. In this tile the design is different, see the other tile Click for a larger image

Translation of the text on the sign:
Whereof one can not speak, thereof one must be silent.
Ludwig Wittgenstein,
Tractatus logic-philosophicus. 1918