"Poetry is produced not by the mere caprice of pleasure, but by natural necessity.  It is the primary activity of the human mind."

"It is difficult to make a general judgement about genetic modification , whether vegetable or animal, medical or agricultural, since these vary greatly among themselves and call for specific considera…"

"I tried to be natural, in other words the exact opposite of what drawing teachers call 'faithful to nature'. I made my first experiments with free form."

"What odds does it make to the man who lives within Nature's bounds, whether he ploughs a hundred acres or a thousand?"

"To rotate on its own axis is not the one movement for the human soul. There is also its wheeling round the Sun of an inexhaustible illumination."