This is from Peter Hitchens's fine tribute to his brother Christopher:
Here's a thing I will say now without hesitation, unqualified and important. The one word that comes to mind when I think of my brother is 'courage'. By this I don't mean the lack of fear which some people have, which enables them to do very dangerous or frightening things because they have no idea what it is to be afraid. I mean a courage which overcomes real fear, while actually experiencing it.
I don't have much of this myself, so I recognise it (and envy it) in others. I have a memory which I cannot place precisely in time, of the two of us scrambling on a high rooftop, the sort of crazy escapade that boys of our generation still went on, where we should not have been. A moment came when, unable to climb back over the steep slates, the only way down was to jump over a high gap on to a narrow ledge. I couldn't do it. He used his own courage (the real thing can always communicate itself to others) to show me, and persuade me, that I could. I'd add here that he was for a while an enthusiastic rock climber, something I could never do, and something which people who have come to know him recently would not be likely to guess.
(Via.)