“It’s not possible, and nor should it be possible, to control what anyone thinks about you. Especially if it’s not based in any reality.”
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Tom Hiddleston 15
English actor, producer and musical performer 1981Related quotes
As reprinted in Ayn Rand, The Virtue of Selfishness (1964; 2014 ebook), ISBN 978-1-101-13722-2, p. 44 https://books.google.com/books?id=d1GqjIhRejMC&pg=PT44.
"Mental Health versus Mysticism and Self-Sacrifice" (1963)

Source: Ascending Peculiarity: Edward Gorey on Edward Gorey

Speech in Boston (2002)
Context: Injustice and oppression will never prevail. Those who are powerful have to remember the litmus test that God gives to the powerful: what is your treatment of the poor, the hungry, the voiceless? And on the basis of that, God passes judgment.
We should put out a clarion call to the government of the people of Israel, to the Palestinian people and say: peace is possible, peace based on justice is possible. We will do all we can to assist you to achieve this peace, because it is God's dream, and you will be able to live amicably together as sisters and brothers.

2000s, To Live Beyond Our Fear (2007)
Context: The thing that I want you all to remember: please, please, don’t base your vote, this time, on fear. Base it on possibility. Think. Listen. The game of politics is to make you afraid so that you don’t think. And what we need right now isn’t political rhetoric, it isn’t game-playing. We need leadership; we need people with judgment; we need decent people, people with common sense, people with strong family values. People who understand the world.

“It's not possible to forget pictures. Anyone who works in them thinks of them constantly.”
How To Get Along In Hollywood (1948)

Spacetime Tsunami http://www.deoxy.org/t_sunami.htm, Interview with Carla Sinclair, bOING bOING #10.
Variant: I think people have a very narrow conception of what is possible with reality, that we're surrounded by the howling abyss of the unknowable and nobody knows what's out there.
Context: I think that people don't understand. As the Firesign Theater used to say, 'Everything you know is wrong.' But that is a very liberating understanding, because if everything you know is wrong, then all the problems you thought were insoluble can be framed differently. And there's a way to take the world apart and put it back unrecognizably. We don't really understand what consciousness is at the really deep levels. With some of the tryptamine hallucinogens, you see into possibilities where questions like, 'are you alive?' 'are you dead?' 'are you you?' seem to have been transcended. I think people have a very narrow conception of what is possible with reality, that we're surrounded by the howling abyss of the unknowable and nobody knows what's out there.