यत्तदग्रे विषमिव परिणामेऽमृतोपमम्।तत्सुखं सात्त्विकं प्रोक्तमात्मबुद्धिप्रसादजम्
yat tad agre viṣam iva pariṇāme 'mṛtopamam tat sukhaṁ sāttvikaṁ proktam ātma-buddhi-prasāda-jam
Which at first seems like poison but afterwards acts like nectar—that pleasure is pure, for it is born of wisdom.
Translated by Shri Purohit Swami
That which is like poison at first but in the end like nectar—that happiness is declared to be sattvic, born of the purity of one's own mind due to self-realization.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
yat—that which; tat—that; agre—in the beginning; viṣam iva—like poison; pariṇāme—at the end; amṛta—nectar; upamam—compared to; tat—that; sukham—happiness; sāttvikam—in the mode of goodness; proktam—is said; ātma—self; buddhi—intelligence; prasāda-jam—satisfactory.