A man will be imprisoned in a room with a door that's unlocked and opens inwards; as long as it does not occur to him to pull rather than push. Ludwig Wittgenstein
A man's sentiments are generally just and right, while it is second selfish thought which makes him trim and adopt some other view. The best reforms are worked out when sentiment operates, as it does in women, with the indignation of righteousness. Leland Stanford
A non-fiction writer pretty much has the shape of the figure in front of him or her and goes about refining it. A work of non-fiction is not as difficult to write as a work of fiction, but it's not as satisfying in the end. Chaim Potok
A painter's tastes must grow out of what so obsesses him in life that he never has to ask himself what it is suitable for him to do in art. Lucian Freud
A person is born with desires of the eyes and ears, and a liking for beautiful sights and sounds. If he gives way to them, they will lead him to immorality and lack of restriction, and any ritual principles and propriety will be abandoned. Xun Zi
A person is born with feelings of envy and hate. If he gives way to them, they will lead him to violence and crime, and any sense of loyalty and good faith will be abandoned. Xun Zi
A poet ought not to pick nature's pocket. Let him borrow, and so borrow as to repay by the very act of borrowing. Examine nature accurately, but write from recollection, and trust more to the imagination than the memory. Samuel Taylor Coleridge