In days of yore, Ushanas said to the Daityas this truth, which dispels all doubts, that scriptures are no scriptures if they cannot stand the crucible test of reason.
अनया हतमेवेदमिति शास्त्रमपार्थकम्। दैतेयानुशना प्राह संशयच्छेदनं पुरा॥