Never memorize what you can look up in books.

The world is a dangerous place to live, not because of the people who are evil, but because of the people who don't do anything about it.

I do not know with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.

Nature shows us only the tail of the lion. But I do not doubt that the lion belongs to it even though he cannot at once reveal himself because of his enormous …

I don't know what's the matter with people: they don't learn by understanding, they learn by some other way - by rote or something. Their knowledge is so fragi…

Ad Graecas literas totum animum applicui; statimque, ut pecuniam accpero, Graecus primum autores, deinde vestes emam.

A people's memory is history. A people without a history can grow neither wiser nor better.