What does Ecclesiasticus Chapter 37 say, and which statements belong to its speaker?

Ecclesiasticus 37 distinguishes friendship in name from genuine companionship, including the friend who becomes an enemy during trouble and the belly-motivated companion who nevertheless shields against an enemy. Advice must be examined for envy, snares and the adviser's own needs. The text lists unsuitable advisers for particular subjects, then commends a holy, God-fearing person whose soul resembles one's own and who grieves at one's stumbling.

One's heart sometimes gives truer counsel than seven watchmen, while prayer for direction stands above these counsels. True words and steady counsel precede action. Speech can turn the heart toward good or evil, life or death. Teachers who fail to benefit themselves are distinguished from those benefiting many, sophistry lacks grace, and faithful wisdom bears praise. A person's days are numbered while Israel's are innumerable. The son is told to test his soul and deny it wickedness, not assume every thing fits everyone, and avoid greedy feasting. Statements about excessive food, sickness and temperance are ancient attributed counsel, not modern clinical guarantees.