Bhagavad Gita Chapter 14 Verse 16

Gita 14.16

कर्मणः, सुकृतस्य, आहुः, सात्त्विकम्, निर्मलम्, फलम्,
रजसः, तु, फलम्, दुःखम्, अज्ञानम्, तमसः, फलम्।।16।।

Gita 14.16

KarmanH, sukritasya, aahuH, saatvikam’, nirmalam’, falam’,
RajasH, tu, falam’, duHkham’, agyaanm’, tamasH, falam’ ||16||

Translation: (Sukritasya) superior (karmanH) of actions (saatvikam’) Satvik i.e. happiness, knowledge and detachment etc (nirmalam’) pure (falam’) fruit (aahuH) is said to be (tu) but (rajasH) of Rajas action (falam’) fruit (duHkham’) misery and (tamasH) of Tamas action (falam’) fruit (agyaanm’) is said to be ignorance. (16)

Translation: The fruit of superior action is said to be pure, Satvik i.e. happiness, knowledge and detachment etc, but the fruit of Rajas action is said to be misery, and the fruit of Tamas action is said to be ignorance.