Shiva Purana
यथावह्निर्महादीप्तः शुष्कमार्द्रं च निर्दहेत् ॥ तथा शुभाशुभं कर्म ध्यानाग्निर्दहते क्षणात् ॥ २५ ॥
Just as the blazing fire burns both the dry and the wet twigs, so also the fire of meditation burns in a trice both the auspicious and the inauspicious Karmans.
english translation
yathAvahnirmahAdIptaH zuSkamArdraM ca nirdahet ॥ tathA zubhAzubhaM karma dhyAnAgnirdahate kSaNAt ॥ 25 ॥
hk transliteration by Sanscript