Despite the enormous quantity of books, how few people read! And if one reads profitably, one would realize how much stupid stuff the vulgar herd is content to swallow every day.
There is an astonishing imagination, even in the science of mathematics. ... We repeat, there was far more imagination in the head of Archimedes than in that of Homer.
The harmony of a concert, to which you listen with delight, must have on certain classes of minute animals the effect of terrible thunder; perhaps it kills them.