A proof is a device for convincing someone else that a mathematical statement is true.
The human body is a complex puzzle, and viruses are just one piece of it.
El hombre más poderoso es el que es dueño de sí mismo.
The photograph is literally an emanation of the referent. From a real body, which was there, proceed radiations which ultimately touch me, who am here.
"To read is to travel without moving, to explore without leaving home."
Sustainability isn't a choice—it's a responsibility we owe to the next generation.