see - sc.judiciary.gov.ph/jurisprudence/2013/february2013/197299.pdf
"x x x.
It is well-entrenched that in an administrative proceeding, the quantum
of proof required for a finding of guilt is only substantial evidence or such
relevant evidence as a reasonable mind might accept as adequate to support
a conclusion and not proof beyond reasonable doubt which requires moral
certainty to justify affirmative findings.22
x x x,"
