So one evening, he said, "" Look, you are doing all these things, but isn't it nice, also, to build something within? "" And he said, "" [Without] that — even if you get a high-tech flat on the 100th floor of a super-modern and comfortable building, if you are deeply unhappy within, all you are going to look for is a window from which to jump. "" So now, at the opposite, we know a lot of people who, in very difficult circumstances, manage to keep serenity, inner strength, inner freedom, confidence.