But I am not afraid to assert that if you wish to cease admiring the power of the magnet, the controlled movements of the ebb and flow of the sea, the noise of thunder, the generation of meteors, in short, if you want to be basically instructed in physics, which can be done in no better way than to read and to meditate his works, you would not know how to do anything unless you followed his method, that is, unless you reasoned as he does on the basis of clear ideas, always beginning with the simplest ones.