and was taken to the Forward Docks and a big, brightly lit hangar, where the Psychopath Class ex-Rapid Offensive Unit Frank Exchange of Views was wai… - Iain Banks

They spend time. That's just it. They spend time traveling. The time weighs heavily on them because they lack any context, any valid framework for their lives. They persist in hoping that something they think they'll find in the place they're heading for will somehow provide them with a fulfilment they feel certain they deserve and yet have never come close to experiencing."
Ziller frowned and tapped at his pipe bowl. "Some travel forever in hope and are serially disappointed. Others, slightly less self-deceiving, come to accept that the process of travelling itself offers, if not fulfilment, then relief from the feeling that they should be feeling fulfilled.

He was one of those people who got to the top of an organisation through luck, connections, the indulgence of superiors and that sort of carelessness towards others that the easily impressed termed ruthlessness and those of a less gullible nature called sociopathy. But sometimes, just through his sheer unthinking brusqueness and inability to think through the consequences of a remark, he said what everybody else was only thinking. A comic poet working in obscene doggerel.

One should never regret one's excesses, only one's failures of nerve.