Verse 12

इदं सुखमिदं दुःखमिदं नास्तीदमस्ति मे ।इति दोलायितं चेतो मूढमेव न पण्डितम्

In plain words

'This is pleasure, this is pain; this I do not have, this I have' -- a mind that sways like this, as on a swing, belongs only to the deluded, not to the wise.