...not the result of their own vicious habits, which incapacitates them from the performance of manual labor in such a degree as to render them unable to earn a support, shall, upon making due proof of the fact, according to such rules and regulations as the Secretary...

...should not be dne to vicious habits and should incapacitate for the performance of manual labor to "such a degree as to render them unable to earn a support." The standard of comparison between the disabled and the able-bodied must always be the incapacity of...

...observed that in the two bills the measure of disability is different. The Senate bill requires incapacity for the performance of labor in such a degree as to render the applicant unable to earn a support, while the provision of the House amendment is that the applicant...