He is no longer a city dweller who has even once in his life caught a ruff or seen how, on clear and cool autumn days, flocks of migrating thrushes drift over a village. Until his death he will be drawn to freedom.
...and with a burning pain in my heart I realized how unnecessary, how petty, and how deceptive all that had hindered us from loving was. I understood that when you love you must either, in your reasonings about that love, start from what is highest, from what is more important than happiness or unhappiness, sin or virtue in their accepted meaning, or you must not reason at all.
In displaying the psychology of your characters, minute particulars are essential. God save us from vague generalizations! Be sure not to discuss your hero's state of mind. Make it clear from his actions. Nor is it necessary to portray many main characters. Let two people be the center of gravity in your story: he and she.
To regard one's immortality as an exchange of matter is as strange as predicting the future of a violin case once the expensive violin it held has broken and lost its worth.
Only those young people can be accepted as healthy who refuse to be reconciled with the old order and foolishly or wisely struggle against it - such is the will of nature...
In descriptions of Nature one must seize on small details, grouping them so that when the reader closes his eyes he gets a picture. For instance, you'll have a moonlit night if you write that on the mill dam a piece of glass from a broken bottle glittered like a bright little star, and that the black shadow of a dog or a wolf rolled past like a ball.