The London Underground's message boards are sharing some much needed inspirational messages of support across the city today.
But some are fakes, like this one:
However, it was so good (or possibly convincing) that Tory MP Simon Hoare fell for it when he brought it up in the House of Commons this morning:
Would my right honourable friend agree with these words, written by a worker on the London Underground yesterday afternoon, penned on a public notice board shortly after the events. My judgement is that he or she speaks for the whole country irrespective of faith or creed.
Theresa May replied:
I think that is a wonderful tribute and in a very simple way has encapsulated everything everyone has said in the house today.
And, like any massively shared image on the internet, it's become a meme:
And here's the original, if you were curious what it said: