Bhagavad Gita 16.21

The gates of hell are three: lust, wrath, and avarice; they destroy the Self, so avoid them.

त्रिविधं नरकस्येदं द्वारं नाशनमात्मनः।कामः क्रोधस्तथा लोभस्तस्मादेतत्त्रयं त्यजेत्॥

trividhaṃ narakasyedaṃ dvāraṃ nāśanamātmanaḥ|kāmaḥ krodhastathā lobhastasmādetattrayaṃ tyajet||

English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).