It is not enough to have a good mind

It is not enough to have a good mind; the main thing is to use it well.

--Rene Descartes

Source:The Immortal Word: It is not enough to have a good...

Two kinds of genius

There are two kinds of geniuses. The characteristic of the one is roaring, but the lightning is meagre and rarely strikes; the other kind is characterized by reflection by which it constrains itself or restrains the roaring. But the lightning is all the more intense; with the speed and sureness of lightning it hits the selected particular points - and is fatal.

--Kierkegaard

A genius is one who can...

A genius is one who can do anything except make a living.

--Joey Adams

Geniuses are like thunderstorms

Geniuses are like thunderstorms. They go against the wind, terrify people, cleanse the air.

--Kierkegaard