As for memes, the word 'meme' is a cliche, which is to say it's already a meme. We all hear it all the time, and maybe we even have started to use it in ordinary speech. The man who invented it was Richard Dawkins, who was, not coincidentally, an evolutionary biologist. And he invented it as an analog for the gene.
Years ago I met Richard Burton in Port Talbot, my home town, and afterwards he passed in his car with his wife, and I thought, 'I want to get out and become like him'. Not because of Wales, because I love Wales, but because I was so limited as a child at school and so bereft and lonely, and I thought becoming an actor would do that.
There is a scene in Richard Attenborough's biopic where Gandhi argues with his wife because she refuses to clean their latrine. She says it is the work of untouchables; he tells her there is no such thing. Gandhi's tactics of encouraging brotherly love across caste boundaries and urging Indians to clean their own latrines had failed miserably.