The history of mankind is the instant between two strides taken by a traveler.

The history of mankind is a history of war.

Knowledge that does not change behaviour is useless. But knowledge that changes behaviour quickly loses its relevance.

But if the history of mankind was her own history, in a way she was thousands of years old.

Homo sapiens conquered the world thanks above all to its unique language.

Recuerden que los microbios son, junto con la desordenada codicia de los vienes ajenos, el gran motor de la Historia.