Verse 68

वह्नेर् विषस्य मध्ये तु चित्तं सुखमयं क्षिपेत् ।केवलं वायुपूर्णं वा स्मरानन्देन युज्यते

In plain words

Cast , made of joy, into the middle between fire and poison, by itself or filled with breath, and you are joined with the bliss of love.