Authors:

The principal difference between an adventurer and a suicide is that the adventurer leaves himself a margin of escape (the narrower the margin the greater the adventure), a margin whose width and length may be determined by unknown factors but whose navigation is determined by the measure of the adventurer's nerve and wits. It is exhilarating to live by one's nerves or toward the summit of one's wits.

Tom Robbins (2003). “Another Roadside Attraction”, p.112, Bantam
The principal difference between an adventurer and a suicide is that the adventurer leaves himself a margin of escape (the narrower the margin the greater the adventure), a margin whose width and length may be