An untruth spoken for jest is not sinful; nor one spoken at the time of wedding; nor one spoken for doing good to one's preceptor; nor one spoken for saving one's own life. These five sorts of falsehood in speech, it has been said, are not sinful.
न नर्मयुक्तमनृतं हिनस्ति न स्त्रीषु राजन्न विवाहकाले। न गुर्वर्थं नात्मनो जीवितार्थे पञ्चानृतान्याहुरपातकानि॥