..I believe, they always say to me that I'm an expressionist, I don't know why, because perhaps the technique is [not understood] and the colour is s… - Karel Appel

I'm able to paint so nice and thick with those big splodges that stay upright because I mix my own paint. I use the formula that the seventeenth-century painters used and I've added one or two things myself. A very important element is stand oil. I once got hold of a whole barrel full and I'm still using it. There are pots of it in all my studios, in New York, in Connecticut, in Monaco, and in Tuscany. [the oil had been found when an old paint shop closed down, in a] stock that had been there since the seventeenth century.. .I mix my oil paint with it, and I throw in a lot of eggs and some concentrated turpentine. It's as thick as homemade mayonnaise. When it dries it is as tough and hard as rubber.

As an artist you have to fight and survive the wilderness to keep your creative freedom. Creativity is very fragile. It's like a leaf in the fall; it hangs and when it drops you don't know where it's drifting.

..at least fifty [gouaches painted in complete dark], one after another. Then I made a light, a candle, and I picked them up and turned them around, as I couldn't see a top or a bottom. I finished them off as I felt fit, a bit more white or a red spot [in his studio in Amsterdam, in 1947