„After much effort, as names, definitions, sights, and other data of sense, are brought into contact and friction one with another, in the course of scrutiny and kindly testing by men who proceed by question and answer without ill will, with a sudden flash there shines forth understanding about every problem, and an intelligence whose efforts reach the furthest limits of human powers.“

— Platón

Tags:

„The basic question of every revolution is that of state power. Unless this question is understood, there can be no intelligent participation in the revolution, not to speak of guidance of the revolution. The highly remarkable feature of our revolution is that it has brought about dual power.“
— Vladimir Lenin
„Of all the frictional resistances, the one that most retards human movement is ignorance, what Buddha called 'the greatest evil in the world.' The friction which results from ignorance… can be reduced only by the spread of knowledge and the unification of the heterogeneous elements of humanity. No effort could be better spent.“
— Nikola Tesla
„There are naive questions, tedious questions, ill-phrased questions, questions put after inadequate self-criticism. But every question is a cry to understand the world. There is no such thing as a dumb question.“
— Carl Sagan