Immunization against COVID-19: How often should the vaccine be repeated?
How long does the protection provided by the vaccine last? Should I have a booster shot after a while, or not?
Light and shadow in our world of words
“Words are, of course, the most powerful drug used by mankind.” (Rudyard Kipling)
Appeal to popularity. What explains the popularity of an error?
When we consider that a conclusion is founded only if a lot of people consider it true, we fall into the trap of the argumentum ad populum or the appeal to popularity.
The slalom between regrets and wrong estimates
In October 2012, Forbes magazine published a list of the top 25 biggest regrets people have. According to the magazine, the most significant regrets are those concerning relationships with family members and friends, regrets concerning oneself, and career regrets.
King, emperor, reformer
The Carolingian Renaissance must be understood as a "reform and reconfiguration of all peoples under the reign of Charles, with a view to creating a Christian territory in its institutional structures, moral conduct, and personal convictions."
The future and prophecy
Much of the Bible was written by prophets, so it is full of prophetic revelation. Most of these revelations are about mysteries of the past and present that we would not otherwise have access to.
Is the end of something better than its beginning?
The question, "Is the end of something better than its beginning?" nuances the statement of Solomon, who is considered in the Bible the wisest man who ever lived.
The relay of small acts of kindness
In chaos theory, there is something that scientists call the “butterfly effect”—a seemingly insignificant event triggers a series of other events that later acquire significant importance. The butterfly effect has been used outside the realm of science as a metaphor for small things that have a considerable impact. When it comes to kindness, few things could demonstrate the butterfly effect better than the...
The allure of expensive food
When it comes to purchasing food, price often guides our decision-making. We tend to believe that anything more expensive is also of higher quality. This perception can be true, but only to a certain extent.
Revenge is not always sweet
Revenge is a trap the wise do not fall into, goes the diplomatic saying. Still, wanting to give someone a taste of their own medicine is a common desire.
Lou, the woman with no regrets left
Any sacrifice is hard to understand from the outside. But it's even harder to understand how sacrifice can be a choice that brings joy to the person making it. The easiest people to include in this category are, of course, mothers. For them, the sacrifices never seem too many or too hard. Even more amazing are those mothers who raise other people's unwanted...
Dante’s imaginary translation of the torments of Hell
At the age of nine, the young Dante Alighieri fell hopelessly in love with Beatrice Portinari, a young woman of about the same age, whose image would haunt him for the rest of his life and inspire one of the most famous female characters in universal literature.
Religion is what’s in my heart: true or false?
"Religion is what is in my soul. No one can take away what is there. But in public we have to comply..."
The Dutch Arminians
On the continent jaded by an irrelevant religion, a new denomination appeared, in addition to the Lutheran, Calvinist, and Anglican Protestants—the Arminians.


























