Build movements. Vote with your values, but vote strategically. Voting isn’t a Valentine. It’s a chess move.

Rebecca Solnit (b. 1961) American writer, historian, activist

Facebook (17 Oct 2016)
    (Source)

Solnit is credited with the core message of the last two sentences. She indicates (including from that Facebook post) that it was something she had said that was extracted and perhaps tweaked by May Boeve. E.g., "That 2016 aphorism that I sort of said and May Boeve made into this stand-alone slogan." (1 Nov 2018) "I said that off the cuff in 2016 and May Boeve caught it and it went on to have a nice life. It's also not the only chess move you get." (11 Aug 2020).

Variants:

• "Voting is a chess move, not a valentine. And here's the joy of being politically engaged all year round every year; you get to work with a whole lot of chess pieces and players and strategies and long-term visions, so you don't agonize over whether this little hop with a pawn we call voting defines you. You get to define yourself by what you're passionately committed to, by who you align with, by your dreams and your visions, you get to move a lot of pieces a lot of times, you get heroic allies, and you play to win above, beyond, around elections. But you vote, because you know it matters too." (7 Nov 2016)
• "I think of voting as a chess move, not a valentine. It’s just a little part of the picture of how we make the world." ("The 2000 Election Unleashed Disaster on the World. We Can’t Let that Happen Again in 2016," The Nation (3 Nov 2016))
• "A vote is not a valentine. You are not confessing your love for the candidate. It's a chess move for the world you want to live in."
• "Voting isn't a valentine, it's a chess move. Just one of many with one of your many pieces, if you're using what you've been given."