The formation of one's character ought to be everyone's chief aim.
He who does not expect a million readers should not write a line.
All theory, dear friend, is gray, but the golden tree of life springs ever green.
Reality surpasses imagination; and we see, breathing, brightening, and moving before our eyes sights dearer to our hearts than any we ever beheld in the land of sleep.
What is fruitful alone is true.
What is hardest of all? That which seems most simple: to see with your eyes what is before your eyes.