A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
The London I entered was a great bustling metropolitan city at war, an imperial power fighting to hold on to that empire. And the teeming colonial subjects of that empire did not, on the whole, want England to lose that war, but they also did not want the empire to emerge unchanged from it. This, for very many of us, was the hard dilemma.
If we meet an honest and intelligent politician, a dozen, a hundred, we say they aren't like politicians at all, and our category of politicians stays unchanged; we know what politicians are like.
Even though the Koch brothers' businesses put 4.4 million people at risk with pollutants, the Kochs have poured millions into lobbyists' coffers and political contributions to ensure their bottom line stays unchanged by the most basic safety precaution.
The basic idea of email has remained essentially unchanged since the first networked message was sent in 1971. And while email is great for one-on-one, formal correspondence, there are far better tools for collaboration.
The point is that instead of a monolithic brick of printed content - delivered more or less unchanged to all subscribers - social media offers news that is personalized and nimble.
I'm not sure anyone goes through a cancer scare unchanged. I know it changed me in so many ways. But I was fortunate to have had a rare cancer that's slow-growing and one that allowed me to skip the chemical cocktails that would have put me into early menopause.
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 a twilight that we all must be most aware of change in the air - however slight - lest we become unwitting victims of darkness.