It appears to be a law that you cannot have a deep sympathy with both man and nature.
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.
All men are children, and of one family. The same tale sends them all to bed, and wakes them in the morning.
Nothing goes by luck in composition. It allows of no tricks. The best you can write will be the best you are.