The ideas of the ruling class are in every epoch the ruling ideas i.e. the class which is the ruling material force of society is at the same time its ruling intellectual force.
For the born traveller, travelling is a besetting vice. Like other vices, it is imperious, demanding its victim’s time, money, energy and the sacrifice of comfort.
Educate your children to self-control, to the habit of holding passion and prejudice and evil tendencies subject to an upright and reasoning will, and you have done much to abolish misery from their future and crimes from society.