Introduction
In the modern era, we are often told we live in a "post-fact" world—a landscape where emotion, repetition, and tribalism frequently override empirical evidence. What to do? The words of the philosopher Bertrand Russel come to mind in his message to future generations (1959): "When you are studying any matter, or considering any philosophy, ask yourself only: "What are the facts, and what is the truth that the facts bear out?" Never let yourself be diverted, either by what you wish to believe, or by what you think could have beneficial social effects, if it were believed."
He insisted in his message to future generations to make a second point: "The moral thing I should wish to say to them is very simple. I should say: Love is wise, hatred is foolish. In this world, which is getting more and more closely interconnected, we have to learn to tolerate each other. We have to learn to put up with the fact, that some people say things that we don't like. We can only live together in that way. And if we are to live together and not die together, we must learn a kind of charity and a kind of tolerance, which is absolutely vital to the continuation of human life on this planet. More about this second point in another article.
Such is the reputation for hate speech, lying and misrepresenting facts of the current (and maybe last) President of the USA, Donald Trump, that you wonder why he would bother with facts at all.
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| The Economist cover 23 Jan: deserved ridicule |
Due to my training as economic historian, what I found most upsetting in his speech at Davos the 21st of January, were these grains of truth in some of the economic statistics he presented, not his preposterous misrepresentation of history on Greenland, nor his mental decline.
The Nazi Minister of Propoganda, Josef Goebbels called this the "principle of plausibility" or selective truth-telling, involved constructing arguments from credible snippets or verifiable facts drawn from diverse sources, then embedding them within broader narratives of deception. By anchoring lies to isolated truths—like accurate economic data or historical events—propagandists created an "illusion of veracity," exploiting people's tendency to generalize trust from partial accuracy. Even only 10% or 20% of true statement is enough to create the illusion of veracity. In combination with the effect of repeating lies long enough so that they become accepted as facts (e.g. the 2020 election being stolen). The true statements, however, should never be more than 50% in order to raise suspicion and invite further scrutiny (Tella et al., 2011).
Here we used Gemini 3.0 Deep research feature on a transcript of his speech to identify the facts in his speech, which on the whole was a bombastic misrepresentation of his own achievements.






