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Bernard van Tonder

I selected all sentient perceptual experience as my ultimate ethical value after studying philosophy and completely rebuilding my ethical beliefs without previous dogmas. It came as a result of thoughts that emerged around the being-for-itself concept in Jean-Paul Sartre’s Being and Nothingness book and Peter Singer’s work. Consequently I have become an act utilitarian, vegan and an effective altruist. The concept has had a profound impact on my significant long-term decisions. I am confident that the world would be significantly better for everyone if everyone valued sentient experience, maximised positive perceptual experience and minimised negative perceptual experience.

@EthosOpt (Twitter)

@bernardvantonder (Insta)

Latest work

Headshots of Raffael Fasel and John Adenitire looking towards the camera.

Sentientist Constitutions?

Sentientists Constitutions - John Adenitire and Raffael Fasel on episode 241 of the Sentientism podcast and YouTube.
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Sentientist Constitutions?

Sentientists Constitutions - John Adenitire and Raffael Fasel on episode 241 of the Sentientism podcast and YouTube.
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Censored Landscapes

Isabella is an artist, writer, photographer, teacher and activist. She is the author of "Censored Landscapes." A Sentientism conversation about what's real, who matters and how to make a better world.
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London Meetup 7 Dec (+ other updates)

London Sentientism meetup on 7th Dec 2025!
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