Manusmriti
न सीदन्नपि धर्मेण मनोऽधर्मे निवेशयेत् । अधार्मिकानां पापानामाशु पश्यन् विपर्ययम् ॥ १७१ ॥
Let him, though suffering in consequence of his righteousness, never turn his heart to unrighteousness; for he will see the speedy overthrow of unrighteous, wicked men.
english translation
na sIdannapi dharmeNa mano'dharme nivezayet । adhArmikAnAM pApAnAmAzu pazyan viparyayam ॥ 171 ॥
hk transliteration by Sanscript