We may find in the knowledge of Mollusca applications still more direct to our well being in society, both as to the advantages and disadvantages to be derived from them: thus a great number of species are proper for food, as oysters, mussels, &c., which are objects of commercial speculations.

The brightest and richest colour known by the ancients, and used by them for the celebrated Tyrian purple dye, is produced by animals at this time known by the name of Purpura.
 
I have nothing to say
and I am saying it and that is
poetry as I need it .
beware of
that which is breathtakingly beautiful, for at any moment
the telephone may ring or the airplane
come down in a vacant lot . A piece of string
or a sunset , possessing neither ,
each acts and the continuity happens .
[…]
Here we are now at the beginning of the
middle of the fourth large part of this talk.
More and more I have the feeling that we are getting
nowhere. Slowly , as the talk goes on
, we are getting nowhere and that is a pleasure
. It is not irritating to be where one is . It is
only irritating to think one would like to be somewhere else.
— John Cage, Lecture on Nothing