If there existed no external means for dimming their consciences one-half of the men would at once shoot themselves because to live contrary to one's reason is a most intolerable state and all men of our time are in such a state.
Our educational system is not preparing people for the 21st Century. Failure is an essential part of entrepreneurship. If you work hard you can get an 'A' pretty much guaranteed but in entrepreneurship that's not how it works.