unpredictable changes or variations that keep occurring in
life, fortune, etc.; shifting circumstances; ups and downs. In other words, for a long, long
time, with many vicissitudes, with good days and bad ones, with
hard work and sometimes not any
work at all, we have accumulated a
technology all amongst ourselves which belongs to nobody but us,
maybe.
-How We Have Addressed the Problem of the Mind (4 July 1957) changes in circumstances or fortune.
unpredictable changes or variations that keep occurring in
life, fortune, etc.; shifting circumstances; ups and downs.