  We do not only mean here that there is too much work to do. When phenomena  are not sufficiently examined, we lack concepts by means of which we could adequately describe them. And we also cannot begin with gathering facts. Traditionally—and today some still think so—facts were considered to be what is given and accessible through the senses. Modern empiricists claimed that there is nothing in the mind that was not first in the senses. Fleck reversed this maxim: there is nothing in the senses that was not first in the mind. So, in order to perceive we have to learn something before. It is not so that we first see some moving dashes and then we compose a whole of them. Quite the contrary: