Quanam sit ratione atque alte terminus haerens.[417]
Following on his steps the poet himself professes to teach—
Quo quaeque creata
Foedere sint, in eo quam sit durare necessum,
Nec validas valeant aevi rescindere leges.[418]
In another place he says—
Et quid quaeque queant per foedera naturai
Quid porro nequeant, sancitum quandoquidem extat.[419]
All knowledge and speculative confidence are declared to rest on this truth—
Certum ac dispositumst ubi quicquit crescat et insit.[420]