Грамотный перевод,пожалуйста,помогите! Смысл прямой речи никак не усвою... Quintilian, the

Грамотный перевод,пожалуйста,помогите! Смысл прямой речи никак не усвою... Quintilian, the prominent Roman school master, wrote in his work published about 95 AD the following about a teacher and his work: Let him adopt a parental attitude to his pupils. Let him be free from vice himself. Let him be strict but not austere, kind but not too familiar: for austerity will make him unpopular while familiarity breeds contempt. He must control his temper without shutting his eyes to faults requiring correction. His instruction must be free from affection, his industry great, his demands on class continuous, but not extravagant. He must be ready to answer questions and to put them unasked to those who sit silent. In praising the answers of his pupils he must be neither grudging nor over-generous. In correcting faults he must avoid sarcasm and above all abuse to discourage industry.