A cup is useful only when it is empty; and a mind that is filled with beliefs, with dogmas, with assertions, with quotations, is really an uncreative mind.
Believing that soom good can be derived from every event is a better preposition than that everything happens for the best, which is assuredly does not.
Theterm up has no meaning apart from the word down. The term fasthas no meaning apart from the term slow. In addition, such termshave no meaning even when used together, except when confined to a veryparticular situation... most of our language about the