Dare to be wise! Energy and spirit is needed to overcome the obstacles which indolence of nature as well as cowardice of heart oppose to our instruction.

Letter 8; Variant: The greater part of men are much too exhausted and enervated by their struggle with want to be able to engage in a new and severe contest with error. Satisfied if they themselves can escape from the hard labour of thought, they willingly abandon to others the guardianship of their thoughts.