Salk Sound
Pi or the Greek symbol (i.e. 22/7);
Tractatus Logico-Philosophicus (1922), which altered the practice of philosophy by calling into question the ability of language to talk about ethical and metaphysical questions in any meaningful way. Beauty has to be equated Mathematically. There is no greater truth than Mathematics.
"It is very difficult to modify our language so that it will be able to describe these atomic processes, for words can only describe things of which we can form mental pictures, and this ability, too, is a result of daily experience. Fortunately, mathematics is not subject to this limitation"
http://en.wikipedia.org/wiki/PiRegards
HP