As nightfall does not come at once, neither does oppression. In both instances,
there is a twilight when everything remains seemingly unchanged. And it is in such
twilight that we all must be most aware of change in the air -- however slight --
lest we become unwitting victims of the darkness.
-- Justice William O. Douglas (still relevant, given the current mood in the USA!)

The reasonable man adapts himself to the world; the unreasonable one persists in trying
to adapt the world to himself. Therefore, all progress depends on the unreasonable man.
-- George Bernard Shaw

Anyone who considers protocol unimportant has never dealt with a cat.
-- Robert A. Heinlein

Reality must take precedence over public relations;
for nature cannot be fooled.
-- Richard P. Feynman, during the Challenger hearings

My friends say my mind's like a bad neighborhood,
and that I shouldn't go in there alone.
-- Sharon Stone, actress

To announce that there must be no criticism of the president, or that we are
to stand by the president right or wrong, is not only unpatriotic and servile,
but is morally treasonable to the American public.
-- Theodore Roosevelt, 26th President of the United States