Treat your superior as a father, your equal as a brother, and your inf >>
He who knows he who knows not, and knows not that he knows not, is a f >>
When the tide of misfortune moves over you, even jelly will break your >>
Who never doubted, never half believed. Where doubt is, there truth is >>
Doubt, indulged and cherished, is in danger of becoming denial; but if >>
Men become civilized, not in proportion to their willingness to believ >>
Doubt is the key to knowledge.