Good painting is like good cooking; it can be tasted, but not explained. Maurice de Vlaminck
Terrorism must be outlawed by all civilized nations not explained or rationalized, but fought and eradicated. Nothing can, nothing will justify the murder of innocent people and helpless children. Elie Wiesel
The discussions have revealed the mistake, but not explained the problem, since even if you know what you will understand it for democracy. António de Oliveira Salazar
As for everything else, so for a mathematical theory: beauty can be perceived but not explained. Arthur Cayley