I have seen here [in London] a play on Faust, the most diabolic thing imaginable. The Mephistopheles is a masterpiece of caricature and intelligence.… - Eugène Delacroix

Criticism, like so many other things, keeps to what has been said before and does not get out of the rut. This business of the 'Beautiful' some see it in curved lines, some in straight lines, but all persist in seeing it as a matter of line. I am now looking out of my window and I can see the most lovely countryside; lines just do not come into my head: the lark is singing, the river sparkles with a thousand diamonds, the leaves are whispering; where, I should like to know, are the lines that produce delicious impressions like these? They refuse to see proportion or harmony except between two lines: all else they regard as chaos, and the dividers alone are judge.

To be like other people is the real condition of happiness. Sea air and diversions are producing this miraculous effect upon me. What you need is just the contrary. You are dying of boredom from what most mortals regard as bliss – having nothing to do. You need the treatment opposite to mine; I am not joking in the very least: one has to be compelled to some task, driven to it: anyone who is not a drunken brute must achieve boredom at all costs unless he can discover the secret of a taste for amusements.. .These reflections.. ..are not likely to comfort you, but they will change your frame of mind for a few minutes. I shall probably be back in Paris on Thursday...

[There are] two states of barbarism, one caused by ignorance, the other (for which there is far less hope of remedy), by the excess and abuse of knowledge. (13 January 1857)