There should of course be left a field of work for the sake of experiment but at all times one must remember that there will always remain open a possibility of err.
Human beings are more alike than unalike, and what is true anywhere is true everywhere, yet I encourage travel to as many destinations as possible for the sake of education as well as pleasure.
Culture is the one thing that we cannot deliberately aim at. It is the product of a variety of more or less harmonious activities, each pursued for its own sake.