Bertrand RussellQuotes（バートランド・ラッセルの名言・警句)

　

Those who can only do their work when upheld by self-deception had better first take a course in learning to endure the truth before continuing their career, since sooner or later the need of being sustained by myths will cause their work to become harmful instead of beneficial.
　Source:The Conquest of Happiness, 1930, chap.16:Effort and resignation.
　More info.:http://russell-j.com/beginner/HA27-060.HTM