Yes, linseed oil. I used to use poppy oil, but I have heard that poppy oil is given to cracking pigment too, so I use it no longer.

There will be, I think, an attempt to grasp again the surprise and accidents of nature and a more intimate and sympathetic study of its moods, together with a renewed wonder and humility on the part of such as are still capable of these basic reactions.

If the technical innovations of the Impressionists led merely to a more accurate representation of nature, it was perhaps of not much value in enlarging their powers of expression.

I believe that the great painters with their intellect as master have attempted to force this unwilling medium of paint and canvas into a record of their emotions.

I find linseed oil and white lead the most satisfactory mediums.

If the picture needs varnishing later, I allow a restorer to do that, if there's any restoring necessary.

The only real influence I've ever had was myself.