To spend too much time in studies is sloth; to use them too much for ornament is affection; to make judgment wholly by their rules is the humor of a scholar.
There is a wisdom in this beyond the rules of physic: a man's own observation what he finds good of and what he finds hurt of is the best physic to preserve health.
There was a young man in Rome that was very like Augustus Caesar; Augustus took knowledge of it and sent for the man, and asked him "Was your mother never at Rome?" He answered "No Sir; but my father was."
Then bless thy secret growth, nor catch At noise, but thrive unseen and dumb; Keep clean, be as fruit, earn life, and watch, Till the white-wing'd reapers come.