‘These may be called the three vital principles of the Christian student, faith, chastity, love; because their contraries, viz., unbelief or heresy, impurity, and enmity, are just the three great sins against God, ourselves, and our neighbour, which are the death of the soul.’ (Rise and progress of universities)

These dangers are likely to be more pronounced in the professorial system, i.e. in a university which washes its hands of the residential side of university life.