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.
The beginning of wisdom, as they say. When you're seventeen you know everything. When you're twenty-seven, if you still know everything, you're still seventeen.
Whatever course you decide upon, there is always someone to tell you that you are wrong. There are always difficulties arising which tempt you to believe that your critics are right. To map out a course of action and follow it to an end requires courage.