It appears to be a law that you cannot have a deep sympathy with both man and nature.
If you can speak what you will never hear, if you can write what you will never read, you have done rare things.
If you have built castles in the air, your work need not be lost; that is where they should be. Now put the foundations under them.
The language of excitement is at best picturesque merely. You must be calm before you can utter oracles.
Nothing goes by luck in composition. It allows of no tricks. The best you can write will be the best you are.