Human beings do not eat nutrients, they eat food.
Of any stopping place in life, it is good to ask whether it will be a good place from which to go on as well as a good place to remain.
We are not what we know but what we are willing to learn.
Human beings tend to regard the conventions of their own societies as natural, often as sacred.
Solutions to problems often depend upon how they're defined.
What would it be like to have not only color vision but culture vision, the ability to see the multiple worlds of others.